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Matheeule.de/Math book for grade 1

Grade 1 Solutions

Here you find all the solutions for the Grade 1 math workbook. Tap the + and the solution unfolds.

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01

Numbers up to 5

Page 8Write numbers
📝 Write the numbers 0 to 5 Solution
0
1
2
3
4
5

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Page 9Dot array · Match dice and more
👆🎨 Count and color the dots up to 3 Solution
2
1
3
3
2
2
1
2
1
3
2
1

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🔗 Which die fits? Solution
2143
5312
4251
3524

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👆➕ Add with pictures and numbers Solution
●●●+●=4
●●+●=3
●+●=2
●+●+●=3
3+1=4
2+1=3
1+1=2
1+1+1=3

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👆➕ Read the dice and add Solution
= 3
= 5
= 2
+= 2
+= 3
= 1
= 4
= 3
+= 4
+= 4
= 4
= 2
= 5
+= 5
+= 5
= 2
= 1
= 4
+= 4
+= 3

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Page 10Number line · Break apart · Picture math
📝 Number line: write the numbers Solution
012345
2345
1234
01234
12345
0123

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➗ Break the numbers apart! Solution
413
211
312
321
532
422
523
541
431
514

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👆➕ Add with breakfast Solution
●●+●=3
●+●●●●=5
●●+●●=4
●●●+●=4
●+●●=3
●●+●●●=5
●+●●●=4
●●●+●●=5

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Page 11Mirror image · Dot array · Calculation
🎨 Complete the mirror images Solution

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👆🎨 Count and color! Solution
2
4
1
5
3
2
4
1
5
3
2
4

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➕ Now add with numbers only Solution
2+3=5
5+0=5
3+1=4
1+1=2
2+2=4
1+4=5
2+1=3
1+3=4
4+1=5
3+2=5
1+2=3
2+2=4
1+3=4
3+1=4
2+3=5
2+1=3

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Page 12Cards · Number flower · Number line
➕ Add up the cards Solution
1+1= 2
1+2= 3
1+3= 4
2+2= 4
1+4= 5
2+3= 5
2+1= 3
1+1= 2
1+1= 2
3+1= 4
3+2= 5
2+1= 3
2+2= 4
1+2= 3
3+1= 4
4+1= 5

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➕ Work out the petals following the arrows Solution
501234Always one less-1
012345Always one more+1
40123Always one less-1

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📝 Number line: fill in the numbers Solution
0123
2345
2345
1234
1234
0123
2345
1234
0123
2345
1234
0123

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Page 13Number house · Calculation · Neighbor numbers
➕ Complete each floor to make the roof number Solution
4132231
5413223
4221331
5412332
4223113
5113131122

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➕ Plus - work it out! Solution
1+1=2
2+3=5
1+4=5
3+1=4
2+2=4
3+0=3
1+3=4
4+1=5
3+2=5
1+2=3
2+1=3
1+1=2
1+3=4
4+1=5
2+2=4
1+2=3

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📝 Find the neighbor numbers Solution
012
123
234
345
123
345
234
012
012
234
123
345

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Page 14Cards · Picture math and more
🔍➕ Find the two matching cards Solution
12451+2=3
45131+3=4
24352+3=5
21531+3=4
14511+1=2
52232+2=4
31341+4=5
25152+1=3

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👆➕ Add up three groups Solution
●●+●+●●=5
●+●+●=3
●+●●+●=4
●●+●●+●=5
●+●●+●●=5
●+●+●●=4
●●+●+●=4
●+●+●●●=5

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🎨🔁 How does the pattern continue? Solution

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➕ Find the missing numbers in the squares Solution
12213333+
21213342+
13414554+
14215335+
22214343+
11312442+
11122323+
11322543+
12413553+
41135454+

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Page 15Dice · Number house · Towers
👆➕ Two dice - plus Solution
+= 3
+= 2
+= 4
+= 4
+= 5
+= 5
+= 4
+= 3
+= 5
+= 2
+= 5
+= 3

💡 Help with this task

➕ Complete the number houses Solution
4132231
5412332
4223113
5324123
4133122
5131122113

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👆➕ Count the towers and add them up Solution
+2 + 1 = 3
+3 + 2 = 5
+1 + 3 = 4
+2 + 2 = 4
+1 + 2 = 3
+3 + 1 = 4
+1 + 1 = 2
+2 + 3 = 5
+1 + 4 = 5

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Page 16Tally chart · Picture columns · Picture math
👆🔗 How often does each fruit appear? Solution
4523

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👆 How many apples does each animal have? Solution
= 3= 2= 3= 4= 5= 4= 1= 2

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👆➖ Minus - first pictures, then numbers Solution
●●●●●−●=4
●●●●−●=3
●●●●●−●●●=2
●●−●=1
5−1=4
4−1=3
5−3=2
2−1=1

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Page 17Calculation · Cards and more
➖ Minus - work it out! Solution
5−1=4
3−2=1
4−1=3
5−3=2
2−1=1
5−2=3
3−1=2
4−3=1
4−2=2
5−4=1
5−1=4
3−1=2
5−2=3
4−1=3
5−3=2
5−1=4

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🔍➖ Two cards, one difference Solution
34154−1=3
23255−3=2
41155−4=1
14433−1=2
12144−2=2
53135−1=4
35215−2=3
55323−2=1

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➗ Keep breaking apart Solution
312
413
422
211
514
523
541
321
431
532

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➕ Add outward from the spider Solution
112233445
213352402
145340123

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Page 18Caterpillar · Wall · Calculation
🧮 Work out the caterpillars step by step Solution
2+35−14
4−22+13+25
1+23+14
5−32+24−31
1+45−23
3−21+45−41

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➕ Two bricks make the brick above Solution
312
431
523
211
422
541
413
321
532
514
422
523
431
321
514
312

💡 Help with this task

🧮 Plus and minus: what is missing? Solution
1+2=3
2+3=5
3−2=1
3−1=2
2+2=4
4+1=5
5−2=3
5−2=3
4−3=1
2+3=5
1+1=2
5−1=4
1+4=5
3+1=4
5−4=1
5−1=4

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Page 19Pattern · Rule house and more
🎨🔁 Continue the shape patterns Solution

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🧮 The roof shows the rule Solution
+ 1234512
− 2533142
+ 2351324
− 1325421
+ 1452334

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👆 How many are on the line? Solution
👕= 5🧦= 3🧣= 4🧢= 2👗= 3🩳= 4🧥= 2👖= 1

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➕ How much does this cost altogether? Solution
1. $3
2. $5
3. $2
4. $4

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Page 20Maze · Calculation · Cards
🗺️ Find the right path! Solution
Which path makes 3?121312
Which path makes 4?121314
Which path makes 5?131224
Which path makes 4?131412
Which path makes 5?121214
Which path makes 5?141212

💡 Help with this task

🧮 Plus and minus mixed Solution
2+2−1=3
3−1+2=4
3+1−1=3
4−1−1=2
5−2−1=2
3+2−4=1
2+3−1=4
4−2+1=3
5−3+2=4
4+1−3=2
2+1+1=4
3+1+1=5

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➖ Find the secret card Solution
5−2=3
3−3=0
4−3=1
4−1=3
5−4=1
3−1=2
3−2=1
4−4=0
5−1=4
5−3=2
4−2=2
5−5=0

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Page 21Compare · Ordering
⚖️ Compare the numbers Solution
2<4
5>3
1=1
4>2
3<5
0<2
3>1
5=5
1>0
4>3
2=2
4<5
5>4
4=4
3<4
5>2
3=3
2<5
5>1
1<5

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⚖️ Order from smallest to largest Solution
3142→1<2<3<4
5243→2<3<4<5
4152→1<2<4<5
5314→1<3<4<5

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Page 22

This book page has no exercises with solutions.

Page 23Boss level: numbers up to 5
A Boss level: numbers up to 5 Solution
Leaf - Spider = 3
02

Numbers up to 10

Page 26Write numbers
📝 Write the numbers 6 to 10 Solution
6
7
8
9
10

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Page 27Number flower · Number sequence · Number line
➕ Work out the petals Solution
8901234567Always one more+1
6789012345Always one less-1
345678912Always one more+1

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👆 Counting up and down Solution
78910
10987
678910
98765
2468
10864
13579
97531

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📝 Fill in the number line to 10 Solution
5678
6789
78910
5678
6789
78910
78910
5678
5678
6789
6789
78910

💡 Help with this task

Page 28Dot array · Sliding robot · Pattern
👆🎨 Count and color the dots Solution
3
7
5
1
9
6
8
10

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🗺️📍 Push the robot ↑↓←→ to the next block Solution
3 moves
2 moves
2 moves
3 moves
3 moves
4 moves

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🔁 Continue the number patterns Solution
510510510510
246246246
108610861086
773773773

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Page 29Neighbor numbers · Calculation · Number flower
📝 Find the neighbors! Solution
234
678
456
8910
123
567
345
789
012
456
678
123

💡 Help with this task

➕ Make 9 or 10 Solution
2+8=10
7+3=10
3+6=9
5+5=10
4+6=10
1+9=10
8+1=9
6+4=10
9+1=10
5+4=9
8+2=10
2+7=9

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➕ Now the flower in steps of two Solution
102468Always 2 less-2
0246810Always 2 more+2
13579Always 2 more+2

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Page 30Pattern · Number sequence and more
🔁 Which numbers are missing in the pattern? Solution
345678910
10987654
2345678
9876543

💡 Help with this task

📝 Count in jumps Solution
357
975
024
864
1074
147
258
963
642
753
4710
852

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👆🎨 Count the dark dots - or color them in! Solution
4
7
2
6
8
3
9
10

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➗ The number tree grows Solution
10644213
8532312

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Page 31Number house · Number flower and more
➕ Complete the number houses Solution
7313412214322
8242431521341
9315423153513
10541352244622
6411321312132

💡 Help with this task

➕ Steps of two in the flower Solution
3579Always 2 more+2
91357Always 2 less-2
46810Always 2 more+2

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🧮 Work out the caterpillars Solution
10−28−35
2+46+39+110
5+38−26
8−35+510−64
1+45+27
9−27+310−46

💡 Help with this task

➕ What goes first? Solution
9+1=10
4+6=10
6+3=9
2+8=10
5+5=10
8+2=10
1+8=9
3+7=10
6+4=10
3+6=9
7+3=10
7+2=9

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Page 32Spider · Number tree · Inverse
➕ Add outward from the spider Solution
358256947
426375915
5273849510

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➗ Another number tree Solution
6421311
9541431

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🧮 From plus to minus Solution
3 + 4 = 7
7 − 4 = 3
7 − 3 = 4
2 + 6 = 8
8 − 6 = 2
8 − 2 = 6
5 + 2 = 7
7 − 2 = 5
7 − 5 = 2
1 + 9 = 10
10 − 9 = 1
10 − 1 = 9
4 + 3 = 7
7 − 3 = 4
7 − 4 = 3
4 + 6 = 10
10 − 6 = 4
10 − 4 = 6
4 + 5 = 9
9 − 5 = 4
9 − 4 = 5
3 + 6 = 9
9 − 6 = 3
9 − 3 = 6
2 + 8 = 10
10 − 8 = 2
10 − 2 = 8

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Page 33Calculation · Read the ruler · Find the error
➕ Three numbers - plus! Solution
2+3+1=6
4+3+2=9
1+2+2=5
3+4+3=10
5+2+1=8
2+2+3=7
4+1+4=9
1+3+2=6
3+3+1=7
2+4+4=10
4+2+2=8
1+1+3=5

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📏 Measure the pencils Solution
012345A1B4C2D5
012345A4B1C5D3
012345A5B2C3D4
012345A4B5C2D3

💡 Help with this task

🔍🧮 Did Euli make a mistake? Solution
4+3=7
6−1=7→5
5+3=9→8
8−3=5
4+4=8
10−5=3→5
6+4=10
9−2=7

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Page 34Swap · Calculation · Pattern
🔗 Connect with the correct swap partner Solution
2+3=5↔3+2=5
1+4=5↔4+1=5
3+7=10↔7+3=10
4+5=9↔5+4=9
2+6=8↔6+2=8
1+8=9↔8+1=9
3+4=7↔4+3=7
4+6=10↔6+4=10

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➖ Simple subtraction problems Solution
8−1=7
9−2=7
7−3=4
6−4=2
10−5=5
5−4=1
9−8=1
10−2=8
5−1=4
5−2=3
8−3=5
7−4=3

💡 Help with this task

🔁 Tricky number patterns Solution
246810
86420
13579
97531
34567
109876
01234
98765

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Page 35Number sequence · Wall · Number tree
📝 Keep counting in jumps Solution
0369
14710
10741
9630
048
1062
159
951

💡 Help with this task

➕ Build up the wall! Solution
945132
835214
853321
734213
633121
1037125
1046133
642311
963421

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➗ Final sprint: number tree Solution
7342122
10554123

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Page 36Calculation · Maze · Number flower
➖ Minus - work it out! Solution
8−2=6
6−4=2
9−5=4
10−3=7
7−1=6
9−2=7
6−3=3
8−5=3
10−2=8
8−3=5
7−5=2
9−3=6

💡 Help with this task

🗺️ Find the right path! Solution
Which path makes 7?356224
Which path makes 8?424531
Which path makes 9?264332
Which path makes 10?562562
Which path makes 8?342416
Which path makes 10?635413

💡 Help with this task

➕ Work out the petals Solution
246810Always 2 more+2
1002468Always 2 less-2
47101Always 3 more+3

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Page 37Even & odd · Tally chart · Cards
👆☑️ Even or odd Solution
How many?EvenOddHow many?EvenOdd469751083

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👆🔗 The children's favorite weather Solution
5386⛄⛄⛄⛄⛄⛄🌪🌪🌪🌪🌪🌧🌧🌧🌞🌞🌞🌞🌞🌞🌞🌞

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➕ Add up the cards Solution
1+2= 3
1+5= 6
2+6= 8
2+8= 10
1+4= 5
1+6= 7
1+8= 9
3+7= 10
1+3= 4
2+4= 6
3+5= 8
2+3= 5
3+4= 7
4+5= 9
3+3= 6
4+6= 10

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Page 38Time · Number house
🕐 O'clock and half-past times up to 5 Solution
121234567891011half past 3
1212345678910111 o'clock
1212345678910112 o'clock
1212345678910113 o'clock
1212345678910114 o'clock
1212345678910115 o'clock
1212345678910112 o'clock
1212345678910113 o'clock
1212345678910111 o'clock
121234567891011half past 2
121234567891011half past 1
121234567891011half past 4

💡 Help with this task

➕ Complete the number houses Solution
6213411321132
8134251143314
10145253343424
7223241412313
9162522135261

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Page 39Magic picture · Dragon
🎨 Fill the squares to paint a number Solution
3ABCDE123455ABCDE12345

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➕ Work out the dragons Solution
2+2=41+2=34+3=77+1=88+1=9
2+2=41+1=24+2=66+1=77+3=10
1+1=21+1=22+2=44+1=55+2=7
1+1=22+1=32+3=55+1=66+2=8

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Page 40Wall · Towers
➕ Keep going with the walls! Solution
844222
1055141
743312
954231
835123
734122
963512
633212
1046224

💡 Help with this task

👆🧮 Plus and minus with towers Solution
+6 + 3 = 9
−8 − 4 = 4
−5 − 1 = 4
−8 − 2 = 6
+2 + 6 = 8
−6 − 3 = 3
+5 + 3 = 8
−7 − 5 = 2
−7 − 4 = 3

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Page 41Arrow arithmetic · Mirror image
🧮 Arrow arithmetic Solution
1346+2+1+2−5+3
2356+1+2+1−4+3
1469+3+2+3−8+5
2479+2+3+2−7+5
1256+1+3+1−5+4
3579+2+2+2−6+4

💡 Help with this task

🎨 Complete the mirror image Solution

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Page 42Towers · Number square · Calendar
👆➖ Taking towers apart Solution
−6 − 2 = 4
−7 − 4 = 3
−8 − 4 = 4
−8 − 7 = 1
−7 − 6 = 1
−7 − 3 = 4
−8 − 1 = 7
−8 − 3 = 5
−7 − 5 = 2

💡 Help with this task

➕ Start with the squares Solution
456399108+
721899810+
34627896+
51266877+
63259788+
275398710+
812496105+
463210578+
5337810810+
732510798+

💡 Help with this task

📖 Reading the calendar Solution
1. 5
2. 3
3. 8
4. 4
5. 8
6. 1

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Page 43Time · Counting money
🕐 O'clock times up to 10 Solution
1212345678910114 o'clock
1212345678910116 o'clock
1212345678910118 o'clock
12123456789101110 o'clock
1212345678910112 o'clock
1212345678910117 o'clock
1212345678910113 o'clock
1212345678910115 o'clock
1212345678910119 o'clock
1212345678910111 o'clock
1212345678910114 o'clock
12123456789101110 o'clock

💡 Help with this task

👆➕ Count money up to 10 Solution
1¢1¢1¢1¢= 4¢
5¢1¢= 6¢
1¢1¢1¢= 3¢
5¢1¢1¢1¢= 8¢
5¢= 5¢
5¢1¢1¢1¢1¢= 9¢
1¢1¢= 2¢
5¢5¢= 10¢
5¢1¢1¢= 7¢
1¢1¢1¢1¢1¢= 5¢
1¢1¢1¢1¢1¢1¢= 6¢
10¢= 10¢

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Page 44Tally chart · Calculation · Read the ruler
👆⚖️ Which animal appears more often? Solution
🐶6🐱9🐭4🐦7🐶<🐱🐭<🐦🐱>🐭🐦>🐶

💡 Help with this task

➖ Minus - keep practicing! Solution
10−3=7
9−4=5
8−5=3
7−6=1
6−2=4
10−5=5
9−8=1
8−2=6
7−1=6
6−4=2
10−7=3
9−6=3

💡 Help with this task

📏 Measure the short and long pencils Solution
012345678910A5B9C6D3
012345678910A4B8C2D6
012345678910A3B10C7D5
012345678910A2B7C5D4

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Page 45Towers · Calendar · Ingredient hunt
👆➕ Building towers Solution
+4 + 3 = 7
+5 + 2 = 7
+6 + 1 = 7
+3 + 6 = 9
+2 + 7 = 9
+4 + 4 = 8
+5 + 4 = 9
+7 + 2 = 9
+3 + 5 = 8

💡 Help with this task

📖 Find the days in the calendar Solution
1. 3
2. 8
3. 1
4. 6
5. 2
6. 9

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➕➖🔍 Find all the ingredients for the cauldron Solution
52+35+16−24+48−35
55−23+47−16+39−45
53+25+16−33+58−53

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Page 46Calculation · Doubling · Share fairly
🧮 Work out the chain! Solution
1+5+3=9
8−4+1=5
7−2−3=2
2+6−5=3
4+5−6=3
9−3−2=4
6+2−4=4
3+4+2=9

💡 Help with this task

➕ Double the number! Solution
3+3=6
1+1=2
4+4=8
2+2=4
2+2=4
3+3=6
5+5=10
4+4=8
5+5=10
2+2=4
1+1=2
3+3=6
1+1=2
4+4=8
3+3=6
5+5=10

💡 Help with this task

➗ Share fairly Solution
1⭐⭐1
4⭐⭐⭐⭐⭐⭐⭐⭐4
2⭐⭐⭐⭐2
3⭐⭐⭐⭐⭐⭐3
5⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐5
3⭐⭐⭐⭐⭐⭐3
4⭐⭐⭐⭐⭐⭐⭐⭐4

💡 Help with this task

Page 47Counting money · Paths in the grid
👆➕ Count more money Solution
$5$5$1$1= $6
$1$1$1$1$1$1= $3
$5$5$1$1$1$1= $7
$10$10= $10
$1$1$1$1$1$1$1$1= $4
$5$5$1$1$1$1$1$1= $8
$5$5= $5
$5$5$1$1$1$1$1$1$1$1= $9

💡 Help with this task

🗺️ Help Euli reach Numerion! Solution
🦉⭐
🦉⭐
🦉⭐
🦉⭐

💡 Help with this task

Page 48Table · Number wheel and more
➕ Fill in the plus tables Solution
+31469710253658693647
+23179108689757864675
+46548109379815762687

💡 Help with this task

➖ Subtract outward in the number wheel Solution
5397317542108− 2
6310741855296− 3
7310651956284− 4

💡 Help with this task

➖ Subtract the cards Solution
10−3= 7
10−6= 4
8−5= 3
9−2= 7
7−4= 3
10−1= 9
9−5= 4
8−3= 5
10−4= 6
7−2= 5
9−6= 3
8−1= 7
9−1= 8
10−2= 8
7−1= 6
8−2= 6

💡 Help with this task

🔗 Connect with the correct swap partner Solution
5+2=7↔2+5=7
4+6=10↔6+4=10
1+8=9↔8+1=9
2+7=9↔7+2=9
3+5=8↔5+3=8
1+9=10↔9+1=10
2+4=6↔4+2=6
3+6=9↔6+3=9

💡 Help with this task

Page 49Dominoes · Cards · Number line
👆☑️ Find the matching dominoes Solution
Sum = 61 + 52 + 43 + 34 + 20 + 6

💡 Help with this task

➕ Find the secret card Solution
3+7=10
6+2=8
5+4=9
4+6=10
2+8=10
5+3=8
2+1+5=8
1+3+4=8
2+4+1=7
1+3+5=9
4+3+2=9
1+2+6=9

💡 Help with this task

📝 Complete the number line Solution
6789
78910
78910
6789
5678
4567
6789
78910
78910
6789
4567
5678

💡 Help with this task

Page 50Caterpillar · Compare and more
🧮 Work out the caterpillars Solution
1+67−43
10−55+38−62
4+59−36
3+710−46+39
2+810−64
9−72+46+410

💡 Help with this task

⚖️ Compare the numbers Solution
3<5
7=7
9>4
2<8
6=6
10>3
1<5
8=8
4<9
7>2
5<10
9=9
9<10
10>9
10=10
8<10
10>8
5=5
8<9
9>8

💡 Help with this task

🔍🧮 Did Euli make a mistake? Solution
3+4=8→7
6−2=4
5+3=8
9−4=6→5
2+6=8
7−3=5→4
4+5=9
10−6=3→4

💡 Help with this task

➕➖🔍 Find all the ingredients Solution
64+37−25+49−45+16
69−45+27−34+59−27
65+27−16+39−45+16

💡 Help with this task

Page 51Inverse · Halving
🧮 From minus to plus Solution
9 − 4 = 5
5 + 4 = 9
4 + 5 = 9
8 − 3 = 5
5 + 3 = 8
3 + 5 = 8
7 − 6 = 1
1 + 6 = 7
6 + 1 = 7
10 − 2 = 8
8 + 2 = 10
2 + 8 = 10
6 − 2 = 4
4 + 2 = 6
2 + 4 = 6
8 − 5 = 3
3 + 5 = 8
5 + 3 = 8
9 − 3 = 6
6 + 3 = 9
3 + 6 = 9
10 − 4 = 6
6 + 4 = 10
4 + 6 = 10
7 − 3 = 4
4 + 3 = 7
3 + 4 = 7

💡 Help with this task

➗ Halve the number! Solution
63=3
84=4
42=2
105=5
21=1
42=2
105=5
84=4
105=5
63=3
84=4
21=1
42=2
105=5
21=1
63=3

💡 Help with this task

Page 52Find the error · Golem and more
🔍🧮 Did Euli make a mistake? Solution
4+3=8→7
9−5=4
6+2=9→8
10−4=6
3+5=8
8−3=4→5
5+4=9
7−6=2→1

💡 Help with this task

➕ Add each pair of numbers to get the one above Solution
42136410
4122549
1241358

💡 Help with this task

➕ How much does this cost altogether? Solution
1. $3
2. $4
3. $2
4. $5

💡 Help with this task

➕ Another plus table Solution
+12345675678678978910
+23435674678578968910
+13523573468457956810

💡 Help with this task

Page 53Share fairly · Spider · Pictogram
➗ Share fairly Solution
3⭐⭐⭐⭐⭐⭐3
5⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐5
2⭐⭐⭐⭐2
1⭐⭐1
4⭐⭐⭐⭐⭐⭐⭐⭐4
2⭐⭐⭐⭐2
5⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐5

💡 Help with this task

➖ Subtract outward from the spider Solution
817263544
927184536
1019463728

💡 Help with this task

👆 On the clothesline Solution
🧦= 10🧣= 9🧢= 6👕= 8

💡 Help with this task

Page 54Maze · Paths in the grid
🗺️ Find the right path! Solution
Which path makes 10?162534
Which path makes 8?042516
Which path makes 6?143413
Which path makes 9?153614
Which path makes 6?361425
Which path makes 10?153436

💡 Help with this task

🗺️ The path is longer now Solution
🦉⭐
🦉⭐

💡 Help with this task

Page 55Dominoes · Time · Dice
👆➕🎨 Complete the domino Solution
3 + 4 = 7
2 + 4 = 6
4 + 5 = 9
1 + 4 = 5
5 + 3 = 8
2 + 6 = 8
4 + 3 = 7
1 + 5 = 6

💡 Help with this task

🕐 O'clock and half-past times up to 10 Solution
1212345678910113 o'clock
121234567891011half past 7
1212345678910115 o'clock
121234567891011half past 2
1212345678910119 o'clock
121234567891011half past 6
1212345678910111 o'clock
121234567891011half past 9
1212345678910114 o'clock
121234567891011half past 8
12123456789101110 o'clock
121234567891011half past 5

💡 Help with this task

👆🧮 First plus, then minus Solution
+−= 1
+−= 8
+−= 2
+−= 4
+−= 9
+−= 4
+−= 3
+−= 7
+−= 5
+−= 7
+−= 2
+−= 6

💡 Help with this task

Page 56Picture columns · Cards and more
👆 How many balls does each child have? Solution
Ann= 4Lea= 5Leo= 3Nik= 7Tom= 6Max= 2Tim= 1Mio= 8

💡 Help with this task

🔍➕ Pick the right cards Solution
25375+3=8
46394+6=10
74294+2=6
36583+6=9
91353+5=8
63283+2=5
72517+2=9
42737+3=10

💡 Help with this task

⚖️🧮 Compare the problems Solution
3 + 2=4 + 1
7 − 3>2 + 1
5 + 5=8 + 2
9 − 4<3 + 3
6 + 1<4 + 4
8 − 2=3 + 3
10 − 5>2 + 2
4 + 3=5 + 2
6 + 2=9 − 1
10 − 3>2 + 4
5 + 4>3 + 5
8 − 1<6 + 2

💡 Help with this task

👆➕ Add the two dominoes Solution
+2 + 4 = 6
+3 + 5 = 8
+4 + 3 = 7
+5 + 4 = 9
+4 + 6 = 10
+6 + 3 = 9

💡 Help with this task

Page 57Number tree · Dungeon · Golem
➗ Number tree: fill in the empty side Solution
9542313
10734312

💡 Help with this task

🗺️ Escape the dungeon! Solution
675105686659109578+ 1+ 1− 2
857675910108566957+ 4− 1− 2
685971065569810587+ 4− 1− 2
867565107569610856+ 5− 1− 1

💡 Help with this task

➕ Another golem pyramid Solution
32235510
2412639
1142268

💡 Help with this task

Page 58Number sequence · Wall · Cards
📝 What comes next? Solution
1357
2610
9753
741
0510
036
1086
8642

💡 Help with this task

➕ Number wall: find the missing bricks Solution
624113
862511
1064513
743221
1055414
954322
1073612
844313
725114

💡 Help with this task

🔍➖ Find the difference Solution
141033−1=2
56377−3=4
28454−2=2
24677−2=5
108368−3=5
92515−2=3
94269−2=7
61959−1=8

💡 Help with this task

Page 59Cube net · Dice · Cards
☑️ Can you fold the cube? Count the 6 faces! Solution
Yes
No
Yes
No
Yes
No
Yes
No

💡 Help with this task

👆🧮 Plus and minus with three dice Solution
−+= 2
+−= 7
−+= 10
−+= 6
−+= 5
+−= 1
+−= 4
−+= 9
+−= 3
+−= 3
−+= 4
+−= 8

💡 Help with this task

➕ Find the secret card Solution
2+1+4=7
3+3+3=9
1+1+8=10
5+2+2=9
3+2+3=8
2+2+6=10
4+4+1=9
3+1+6=10
1+4+5=10
3+4+3=10
2+4+2=8
5+1+1=7

💡 Help with this task

Page 60Dice · Cards · Maze
👆🧮 Three dice mixed Solution
+−= 1
−+= 3
+−= 9
+−= 4
+−= 2
−+= 8
−+= 9
−+= 5
−+= 7
+−= 5
−+= 10
−+= 6

💡 Help with this task

➖ Subtract the cards Solution
8−7= 1
7−2= 5
8−5= 3
9−5= 4
8−3= 5
7−4= 3
10−1= 9
6−2= 4
8−6= 2
10−5= 5
6−5= 1
7−1= 6
10−8= 2
6−3= 3
10−6= 4
9−2= 7

💡 Help with this task

🗺️ Find the right path! Solution
Which path makes 9?143526
Which path makes 6?352413
Which path makes 7?141334
Which path makes 10?344213
Which path makes 8?164234
Which path makes 9?251324

💡 Help with this task

Page 61Shopping · Number line · Number square
➕ How much does this cost altogether? Solution
1. $4
2. $7
3. $5
4. $8
5. $6
6. $3

💡 Help with this task

📝 Tricky number lines! Solution
012345
234567
456789
5678910
123456
345678

💡 Help with this task

➕ Simple squares Solution
634296105+
265489710+
62368998+
54349788+
16337649+
16727988+
43537896+
24636987+
624589107+
54259779+

💡 Help with this task

Page 62Compare · Neighbor numbers · Calculation
⚖️ Compare the numbers Solution
7<8
8=8
4<7
6>3
1<10
3=3
9=9
9>1
6>0
6<7
2<6
8>3
4<8
1<9
10>4
5<9
1<7
10>2
7>1
4>3

💡 Help with this task

📝 One is missing - which one? Solution
345
345
678
789
123
8910
123
456
789
567
234
8910

💡 Help with this task

🧮 Work it out and fill in Solution
2+3=5
4+4=8
9−3=6
10−6=4
7−4=3
3+6=9
1+9=10
10−7=3
4+5=9
9−5=4
10−1=9
3+4=7

💡 Help with this task

Page 63Spider · Doubling · Halving
➕ Add outward from the spider - tricky! Solution
5381649510
4375961026
6283941017

💡 Help with this task

➕ Double the number! Solution
1+1=2
3+3=6
4+4=8
2+2=4
4+4=8
5+5=10
1+1=2
3+3=6
2+2=4
4+4=8
3+3=6
5+5=10
5+5=10
1+1=2
2+2=4
4+4=8

💡 Help with this task

➗ Halve the number! Solution
105=5
84=4
42=2
63=3
63=3
105=5
84=4
21=1
84=4
21=1
63=3
42=2
42=2
63=3
21=1
105=5

💡 Help with this task

Page 64Multiply · Dice and more
➕ How many times does the number fit? Solution
2 + 2 + 2=6→2fits into 63times
2 + 2=4→2fits into 42times
3 + 3=6→3fits into 62times
2 + 2 + 2 + 2=8→2fits into 84times

💡 Help with this task

👆🧮 Plus and minus up to 10 Solution
+−= 4
+−= 3
−+= 8
−+= 9
−+= 7
+−= 2
+−= 6
−+= 8
+−= 5
−+= 4
+−= 5
+−= 1

💡 Help with this task

🧮 Plus and minus mixed Solution
6+4=10
8−4=4
3+7=10
10−3=7
2+6=8
8−3=5
5+3=8
9−4=5
2+3=5
2+4=6
7−2=5
4+5=9

💡 Help with this task

➕ Puzzle: Each side equals the target Solution
012534
024513
135402
345201

💡 Help with this task

Page 65Pattern · Shopping · Connect the dots
🔁 Number patterns Solution
0246810
1086420
14710
9876543210

💡 Help with this task

➕ How much does this cost altogether? Solution
1. $7
2. $10
3. $9
4. $8

💡 Help with this task

🔍🎨 Puzzle: Connect the numbers Solution
12345678910
Star

💡 Help with this task

Page 66Count containers · Number square · Machine
👆➕ How many are in the containers altogether? Solution
A3B4A + B = 7
A4B5A + B = 9
A5B4A + B = 9
A5B5A + B = 10
A2B4A + B = 6
A4B4A + B = 8

💡 Help with this task

➕ Solve the squares Solution
34237557+
52347786+
42326574+
32615793+
53248677+
24326556+
624387105+
41535894+
23415564+
24426666+

💡 Help with this task

🔍➕ The number machine Solution
+ 235465768+ 3472569710+ 4156103759

💡 Help with this task

Page 67Multiply · Pattern · Magic potion
➕ How many times does the number fit? Solution
4 + 4=8→4fits into 82times
2 + 2 + 2 + 2 + 2=10→2fits into 105times
3 + 3 + 3=9→3fits into 93times
1 + 1 + 1 + 1=4→1fits into 44times

💡 Help with this task

🎨🔁 Shape patterns Solution

💡 Help with this task

➕ Puzzle: Every potion is brewed twice Solution
🦁Courage Potion4🕷️2🐉6🌙8✨
😴Sleep Potion6🍄2🌿10⭐4💤
🍀Luck Potion2🌸8🐝4🍯6🌈
💪Strength Potion10🌰4🍒2🌶️8🥚
💧Water Potion8🐚2🌊6🐟10💦
🌙Moon Potion2⭐8🌟10☄️6🌜

💡 Help with this task

Page 68Number square · Balance puzzle · Magic code
➕ Tricky squares Solution
254579610+
354589710+
26538879+
42156657+
34257759+
62348796+
35248659+
132749310+
43257768+
126431076+

💡 Help with this task

🔍➕ Puzzle: How heavy is the empty box? Solution
34272
61263
45182
52373

💡 Help with this task

🔍🧮 Puzzle: The magic wand code Solution
⭐ = 3🌙 = 5⚡ = 2🦉 = 4
⭐+🌙=8
🦉+⚡=6
🌙+⭐=8
🦉+🦉=8
🌙−⚡=3
🦉−⭐=1
⭐+⚡=5
🌙+🦉=9
🦉−⚡=2

💡 Help with this task

Page 69Secret code · Machine · Magic picture
🔍➕ Puzzle: Crack the secret code Solution
+=6+=10=7= 7= 3
+=4+=8=6= 2= 6
+=8+=9+=10= 4= 5
+=10+=9+=8= 5= 4

💡 Help with this task

🔍🧮 The number machine Solution
− 2108754297+ 527491638− 3967410741

💡 Help with this task

🎨 Number magic Solution
1ABCDE123452ABCDE12345

💡 Help with this task

Page 70Mirror image · Dungeon
🎨 Complete the harder mirror image Solution

💡 Help with this task

🗺️ Find the way! Solution
9828701078632064101063478105084271009980+ 1− 3− 1− 6+ 3+ 2− 3+ 5+ 1
108575273536066517661638112140761191+ 3− 1− 5+ 4− 6+ 1+ 2+ 5− 4+ 5

💡 Help with this task

Page 71Number square · Dragon · Match dice
➕ Even more tricky squares Solution
25227447+
23435766+
35528787+
31444875+
25417566+
31534884+
32425674+
43357878+
51236574+
13534866+

💡 Help with this task

🧮 Dragon math Solution
3+1=42+1=34+3=77+1=88−2=6
2+0=23+1=42+4=66+1=77−3=4
1+2=31+3=43+4=77+2=99−4=5
3+2=53+1=45+4=99+1=1010−7=3

💡 Help with this task

🔗➕ Two dice - which sum? Solution
5897
61043
10795

💡 Help with this task

Page 72

This book page has no exercises with solutions.

Page 73Boss level: numbers up to 10
A Boss level: numbers up to 10 Solution
2 + 1 + 2 + 1 = 6
3 + 3 + 1 + 1 + 2 = 10
3 + 4 + 2 = 9
2 + 1 + 1 + 1 + 2 = 7 ← magic 7!
2 + 3 + 1 + 3 + 1 = 10
03

Numbers up to 20

Page 76Write numbers
📝 Write the numbers 11 to 20 Solution
11
12
13
14
15
16
17
18
19
20

💡 Help with this task

Page 77Number line · Dot array · Tally chart
📝 Fill in the number line to 20 Solution
1011121314151617181920
345678910111213
56789101112131415
7891011121314151617
23456789101112
89101112131415161718

💡 Help with this task

👆🎨 Twenty frame: count and color the dots Solution
12
13
15
16
18
11

💡 Help with this task

👆⚖️ Favorite animals at the zoo Solution
127159>><<

💡 Help with this task

Page 78Ordering · Compare · Neighbor numbers
⚖️ Order the numbers to 20 Solution
512181914→1<5<9<12<14<18
3171110162→2<3<10<11<16<17
194162815→2<4<8<15<16<19
10152171311→2<10<11<13<15<17

💡 Help with this task

⚖️ Compare the numbers Solution
12<15
18=18
14>9
7<16
15>8
20>13
6<17
12>5
10>5
8<13
16>4
3<14
9>2
13<17
20=20
4<11

💡 Help with this task

📝 Find the neighbors! Solution
101112
151617
121314
171819
141516
111213
161718
131415
181920
101112
141516
171819

💡 Help with this task

Page 79Dot array · Dragon · Even & odd
👆🎨 Twenty frame: keep practicing Solution
19
11
16
8
13
17

💡 Help with this task

🧮 Big dragons Solution
3+4=72+3=57+5=1212+2=1414+5=19
5+3=84+2=68+6=1414+1=1515−3=12
4+2=65+3=86+8=1414+3=1717−3=14
4+3=72+3=57+5=1212+1=1313+4=17

💡 Help with this task

🎨 Color even and odd numbers Solution
2131784112071419156161256915183108111■ Even ■ Odd

💡 Help with this task

Page 80Secret message · Pattern · Ordering
🔍🧮 Puzzle: The secret message Solution
2T4O6M8I10Y12E14H16N18A20J3 + 5I20 − 8E9 + 7N11 + 9J12 − 8O4 + 6Y2 + 4M20 − 2A10 − 8T6 + 8H

💡 Help with this task

🔁 Continue the number patterns Solution
2468101214161820
2018161412108642
135791113151719
191715131197531

💡 Help with this task

⚖️ Order from largest to smallest Solution
20121581116→8<11<12<15<16<20
181114161319→11<13<14<16<18<19
17131921510→2<10<13<15<17<19
1220917514→5<9<12<14<17<20

💡 Help with this task

Page 81Twenty frame
➕ Twenty frame: crossing ten Solution
8+2+3=13
6+4+1=11
9+1+6=16
6+4+4=14
8+2+5=15
9+1+8=18

💡 Help with this task

Page 82Make ten · Crossing ten · Break apart
➕ Crossing ten with a bridge - addition Solution
8 + 5: 8 +2 → 10 +3 → 13
9 + 3: 9 +1 → 10 +2 → 12
7 + 4: 7 +3 → 10 +1 → 11
9 + 7: 9 +1 → 10 +6 → 16
8 + 6: 8 +2 → 10 +4 → 14
7 + 5: 7 +3 → 10 +2 → 12
9 + 5: 9 +1 → 10 +4 → 14
8 + 7: 8 +2 → 10 +5 → 15

💡 Help with this task

➕ Friends of ten help! Solution
9 + 2 = 9 + 1 + 1 = 10 + 1 = 11
9 + 4 = 9 + 1 + 3 = 10 + 3 = 13
8 + 9 = 8 + 2 + 7 = 10 + 7 = 17
9 + 9 = 9 + 1 + 8 = 10 + 8 = 18
8 + 6 = 8 + 2 + 4 = 10 + 4 = 14
7 + 9 = 7 + 3 + 6 = 10 + 6 = 16
9 + 6 = 9 + 1 + 5 = 10 + 5 = 15
5 + 7 = 5 + 5 + 2 = 10 + 2 = 12

💡 Help with this task

➗ Ten and a little more Solution
11101
12102
13103
14104
15105
16106
17107
18108
19109
201010

💡 Help with this task

Page 83Flat shapes and solids · Even & odd · Time
👆☑️ Even or odd Solution
How many?EvenOddHow many?EvenOdd1214191613151817

💡 Help with this task

🕐 O'clock times Solution
1212345678910113 o'clock
1212345678910117 o'clock
12123456789101112 o'clock
1212345678910115 o'clock
1212345678910119 o'clock
1212345678910111 o'clock
1212345678910112 o'clock
1212345678910118 o'clock
12123456789101111 o'clock
1212345678910114 o'clock
1212345678910116 o'clock
12123456789101110 o'clock

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Page 84Golem · Crossing ten and more
➕ Add in the golem pyramid Solution
35428614
643510818
26548917

💡 Help with this task

➕ Crossing ten - addition Solution
8 + 5 = 8 + 2 + 3 = 10 + 3 = 13
8 + 7 = 8 + 2 + 5 = 10 + 5 = 15
5 + 9 = 5 + 5 + 4 = 10 + 4 = 14
6 + 6 = 6 + 4 + 2 = 10 + 2 = 12
8 + 6 = 8 + 2 + 4 = 10 + 4 = 14
9 + 3 = 9 + 1 + 2 = 10 + 2 = 12
4 + 7 = 4 + 6 + 1 = 10 + 1 = 11
9 + 7 = 9 + 1 + 6 = 10 + 6 = 16

💡 Help with this task

👆➕ How much is that altogether? Solution
+++= 15
+++= 20
+++= 10
+++= 17
+++= 11
+++= 12
+++= 19
+++= 13

💡 Help with this task

🔗 Flat shape or solid? Solution
  • Flat shape: Circle, Triangle, Square, Rectangle
  • Solid: Cube, Cylinder, Sphere, Box

💡 Help with this task

Page 85Dominoes · Magic picture · Spider
👆➕ Domino sums Solution
+7 + 8 = 15
+7 + 9 = 16
+10 + 3 = 13
+10 + 5 = 15
+12 + 7 = 19
+11 + 6 = 17

💡 Help with this task

🎨 Number magic Solution
3ABCDE123454ABCDE12345

💡 Help with this task

➕ Add outward from the spider Solution
8614715412917
7310512815613
9211716615514

💡 Help with this task

Page 86Caterpillar · Make ten · Crossing ten
🧮 Work out the caterpillars Solution
5+712−39
12+618−513+619
18−99+716
3+912−48+816
14−86+612
7+815−510+919

💡 Help with this task

➖ Crossing ten with a bridge - subtraction Solution
13 − 5: 13 −3 → 10 −2 → 8
16 − 7: 16 −6 → 10 −1 → 9
11 − 7: 11 −1 → 10 −6 → 4
15 − 8: 15 −5 → 10 −3 → 7
12 − 9: 12 −2 → 10 −7 → 3
14 − 8: 14 −4 → 10 −4 → 6
11 − 9: 11 −1 → 10 −8 → 2
12 − 7: 12 −2 → 10 −5 → 5

💡 Help with this task

➖ Crossing ten - subtraction Solution
15 − 7 = 15 − 5 − 2 = 10 − 2 = 8
13 − 7 = 13 − 3 − 4 = 10 − 4 = 6
16 − 9 = 16 − 6 − 3 = 10 − 3 = 7
15 − 6 = 15 − 5 − 1 = 10 − 1 = 9
13 − 8 = 13 − 3 − 5 = 10 − 5 = 5
14 − 7 = 14 − 4 − 3 = 10 − 3 = 7
14 − 6 = 14 − 4 − 2 = 10 − 2 = 8
13 − 9 = 13 − 3 − 6 = 10 − 6 = 4

💡 Help with this task

Page 87Halving · Wall
➗ Halve the number! Solution
84=4
168=8
21=1
63=3
189=9
126=6
147=7
2010=10
168=8
2010=10
84=4
147=7
21=1
105=5
189=9
42=2

💡 Help with this task

➕ Build up the wall! Solution
1789
1376
1596
1679254
18108462
1367243
209114561324
171077345213
188103551232

💡 Help with this task

Page 88Multiply · Caterpillar and more
➕ How many times does the number fit? Solution
3 + 3 + 3 + 3=12→3fits into 124times
4 + 4 + 4 + 4 + 4=20→4fits into 205times
5 + 5 + 5=15→5fits into 153times
4 + 4 + 4=12→4fits into 123times

💡 Help with this task

🧮 Work out the caterpillars Solution
3+811+617
15−78+917+320
9+817−413
6+915−78+816
13−85+510
2+79+918+220

💡 Help with this task

➕ Work out the petals Solution
02468101214161820Always 2 more+2
20024681012141618Always 2 less-2
048121620Always 4 more+4

💡 Help with this task

🔗 Connect with the correct swap partner Solution
4+7=11↔7+4=11
5+8=13↔8+5=13
6+9=15↔9+6=15
7+9=16↔9+7=16
3+8=11↔8+3=11
5+9=14↔9+5=14
6+8=14↔8+6=14
4+9=13↔9+4=13

💡 Help with this task

Page 89Doubling · Wall · Minus and plus
➕ Double the number! Solution
7+7=14
2+2=4
9+9=18
4+4=8
10+10=20
3+3=6
8+8=16
1+1=2
5+5=10
6+6=12
8+8=16
4+4=8

💡 Help with this task

➕ Harder - find the missing numbers! Solution
945
1376
1385
1156142
1275341
1468244
17984531321
15875344122
199104551323

💡 Help with this task

🧮 Minus and plus with 5 or 6 Solution
1713
71217
61116
2712
91419
41016
71319
4914
1611
0612
101520
3813

💡 Help with this task

Page 90Inverse · Swap · Multiply
🧮 Bigger inverse problems Solution
12 + 5 = 17
17 − 5 = 12
17 − 12 = 5
11 + 8 = 19
19 − 8 = 11
19 − 11 = 8
14 + 3 = 17
17 − 3 = 14
17 − 14 = 3
10 + 4 = 14
14 − 4 = 10
14 − 10 = 4
13 + 2 = 15
15 − 2 = 13
15 − 13 = 2
10 + 8 = 18
18 − 8 = 10
18 − 10 = 8
12 + 7 = 19
19 − 7 = 12
19 − 12 = 7
11 + 5 = 16
16 − 5 = 11
16 − 11 = 5
15 + 3 = 18
18 − 3 = 15
18 − 15 = 3

💡 Help with this task

🔗 Connect with the correct swap partner Solution
9+8=17↔8+9=17
7+9=16↔9+7=16
10+9=19↔9+10=19
11+9=20↔9+11=20
8+7=15↔7+8=15
10+8=18↔8+10=18
12+7=19↔7+12=19
11+8=19↔8+11=19

💡 Help with this task

➕ How many times does the number fit? Solution
4 + 4 + 4 + 4=16→4fits into 164times
5 + 5 + 5 + 5=20→5fits into 204times
6 + 6 + 6=18→6fits into 183times
3 + 3 + 3 + 3 + 3=15→3fits into 155times

💡 Help with this task

Page 91Riddle · Number words
📖 Who am I? Solution
  • I am greater than 7.
  • I am less than 10.
  • I am an even number.

Solution: 8

  • I am less than 6.
  • I am greater than 3.
  • I am an odd number.

Solution: 5

  • I am an even number.
  • I am greater than 11.
  • I am less than 16.
  • If you add 2 to me, you get a number greater than 15.

Solution: 14

  • I am an even number.
  • I am greater than 14.
  • I am less than 19.
  • If you cut me in half, you get a number less than 9.

Solution: 16

💡 Help with this task

🔗 Connect each number to the right word Solution
four3nine6one9six4eleven1three11
eight2two12twelve10five7ten5seven8

💡 Help with this task

Page 92Compare · Maze · Shapes
⚖️🧮 Compare the problems Solution
8 + 5=6 + 7
15 − 3>9 + 2
10 + 7>8 + 8
14 − 4=5 + 5
11 + 3<7 + 8
16 − 6<4 + 7
9 + 9>20 − 3
12 + 5=8 + 9
6 + 8<17 − 2
13 + 5=19 − 1
16 − 4<7 + 6
11 + 8>4 + 13

💡 Help with this task

🗺️ Find the right path! Solution
Which path makes 12?168259347
Which path makes 10?049258167
Which path makes 10?249308147
Which path makes 11?295158347

💡 Help with this task

🔗 Which shape is this? Solution
TriangleCircle
RectangleSquare
CircleTriangle
SquareRectangle

💡 Help with this task

Page 93Ingredient hunt · Dungeon · Pattern
➕➖🔍 Find all the ingredients Solution
209+514−311+718−216+420
2014−68+816−412+517−98
2011+415−78+917−314+620

💡 Help with this task

🗺️ Escape the great dungeon! Solution
1311316151610812341447181065147111720320819931111198− 1− 3− 4− 1− 2− 4+ 6+ 2− 1
2048195172172011151410014171520112563151311615177140− 2− 3− 4+ 5+ 2− 5+ 1− 2+ 3

💡 Help with this task

🔁 Continue the pattern Solution
468101214161820
25811141720
14710131619
2018161412108642

💡 Help with this task

Page 94Arrow arithmetic · Spider · Number flower
🧮 Arrow arithmetic Solution
381217+5+4+5−14+9
681113+2+3+2−7+5
410814+6−2+6−10+4
271015+5+3+5−13+8
7101215+3+2+3−8+5
591014+4+1+4−9+5

💡 Help with this task

➕ Add outward from the spider - mental math! Solution
10717515818313
12416315719820
14216317620519

💡 Help with this task

➕ Steps in the flower Solution
0369121518Always 3 more+3
172581114Always 3 less-3
200481216Always 4 less-4

💡 Help with this task

Page 95Minus and plus · Riddle · Dice
🧮 Minus and plus with 6 or 7 Solution
1815
61218
51117
2814
71319
41118
51219
41016
1713
0714
81420
3915

💡 Help with this task

📖 Who am I? Solution
  • I am an odd number.
  • I am greater than 5.
  • I am less than 9.

Solution: 7

  • I am an even number.
  • I am greater than 15.
  • I am less than 20.
  • If you cut me in half, you get a number greater than 8.

Solution: 18

  • I am an odd number.
  • I am greater than 13.
  • I am less than 18.
  • If you add 3 to me, you get a number less than 20.

Solution: 15

  • I am greater than 9.
  • I am less than 14.
  • I am an even number.
  • If you double me, you get a number greater than 20.

Solution: 12

💡 Help with this task

👆🧮 Plus and minus with four dice Solution
+−−= 6
+−+= 12
−++= 13
++−= 17
−++= 10
−−+= 8
++−= 9
−+−= 5

💡 Help with this task

Page 96Magic square · Inverse · Pattern
➕ Every row, column and diagonal adds up to 15 Solution
128492357816
789816357492
467816357492

💡 Help with this task

🧮 Find the inverse Solution
16 − 7 = 9
9 + 7 = 16
7 + 9 = 16
18 − 7 = 11
11 + 7 = 18
7 + 11 = 18
20 − 6 = 14
14 + 6 = 20
6 + 14 = 20
15 − 8 = 7
7 + 8 = 15
8 + 7 = 15
19 − 11 = 8
8 + 11 = 19
11 + 8 = 19
13 − 5 = 8
8 + 5 = 13
5 + 8 = 13
17 − 8 = 9
9 + 8 = 17
8 + 9 = 17
14 − 6 = 8
8 + 6 = 14
6 + 8 = 14
20 − 9 = 11
11 + 9 = 20
9 + 11 = 20

💡 Help with this task

🔁 Tricky patterns Solution
1324354657
2547698111013
346791012131516
610812101412161418

💡 Help with this task

Page 97Number words · Pictogram · Calculation
🔗 Connect the tricky number words Solution
thirteen9seventeen20eleven17twenty13fifteen11nine15
sixteen14twelve10nineteen12fourteen19ten18eighteen16

💡 Help with this task

👆 On the clothesline Solution
👕= 11🧦= 12🧢= 10🧣= 9

💡 Help with this task

➕ Addition: what is missing? Solution
11+9=20
15+5=20
8+12=20
18+2=20
13+7=20
9+11=20
16+4=20
12+8=20
19+1=20
14+6=20
10+10=20
17+3=20

💡 Help with this task

Page 98Ingredient hunt · Paths in the grid · Cards
➕➖🔍 Find all the ingredients Solution
2012−57+815−69+413+720
208+715−411+617−314−95
2015−87+512−39+918+220

💡 Help with this task

🗺️ The path through the big forest Solution
🦉⭐

💡 Help with this task

🔍➕ Pick the right cards Solution
69386+9=15
58375+7=12
571167+6=13
49868+6=14
1058125+12=17
134974+7=11
61114311+3=14
971349+7=16

💡 Help with this task

Page 99Mirror numbers · Hidden face and more
🔍🧮 Puzzle: Read the calculation in the mirror Solution

💡 Help with this task

🔍🧮 Puzzle: Which number is facing down? Solution
=4
=2
=6
=1
=5
=3
=5
=1
=4
=6
=2
=4
=3
=6
=1

💡 Help with this task

👆 How many stars does each child have? Solution
Ela= 5Lea= 6Mia= 7Ida= 2Noa= 3Pia= 4Sam= 8Ben= 9

💡 Help with this task

🔗 Which solid is this? Solution
CylinderSphere
BoxCube
SphereCylinder
CubeBox

💡 Help with this task

Page 100Doubling · Magic triangle and more
➕ Double the number! Solution
10+10=20
9+9=18
1+1=2
3+3=6
6+6=12
4+4=8
8+8=16
2+2=4
7+7=14
5+5=10
10+10=20
9+9=18

💡 Help with this task

➕ Puzzle: Complete the magic triangles Solution
123645
135624
246513
456312

💡 Help with this task

🔍🧮 Puzzle: Decode the wizard's writing Solution
🌟 = 6🌙 = 8⚡ = 5🦉 = 7
🌟+🌙=14
🦉+⚡=12
🌙+🦉=15
🌟+🌟=12
🌙−⚡=3
🦉−🌟=1
🌟+⚡=11
🌙+⚡=13
🦉−⚡=2

💡 Help with this task

➕ Fill in the plus tables Solution
+1349101213781011131416175689
+2684610121113171979131512141820
+52981310176118151116132038512

💡 Help with this task

Page 101Counting money · Ordering · Tally chart
👆➕ How much money is here? Solution
$5$5$1$1$1$1= $7
$5$5= $5
$10$10= $10
$5$5$1$1= $6
$10$10$1$1$1$1= $12
$5$5$1$1$1$1$1$1= $8
$10$10$5$5= $15
$10$10$5$5$1$1= $16
$10$10$1$1$1$1$1$1= $13
$10$10$1$1= $11
$10$10$5$5$1$1$1$1= $17
$10$10$10$10= $20

💡 Help with this task

⚖️ Order the big numbers! Solution
141118161319→11<13<14<16<18<19
121713191520→12<13<15<17<19<20
161911152013→11<13<15<16<19<20
201113181417→11<13<14<17<18<20

💡 Help with this task

👆⚖️ Who is more popular? Solution
17161920><><

💡 Help with this task

Page 102Table · Cards and more
➖ Minus table Solution
+1351413119111086875319181614
+2471210851816141197521513118
+36817141191310752017141211853

💡 Help with this task

➖ Subtract the cards Solution
14−5= 9
15−8= 7
13−6= 7
18−9= 9
16−7= 9
17−9= 8
12−7= 5
19−8= 11
11−3= 8
13−4= 9
16−9= 7
14−7= 7
15−9= 6
11−8= 3
12−8= 4
11−9= 2

💡 Help with this task

➕ Fill in the number squares Solution
764813121114+
954814121313+
678513131412+
875615111313+
947813151612+
598614141315+
896717131416+
789415131612+
669512141511+
985717121415+

💡 Help with this task

➕ Complete the number houses Solution
123243182154211623
153156125724273435
184914376232675751
2041510443979228435

💡 Help with this task

Page 103Dungeon · Read the ruler
🗺️ Conquer the last dungeon! Solution
202016161919148197151121172031332015017871912461371491612− 6− 6− 6− 1+ 2+ 5− 4+ 2+ 3+ 5
4911139100182010163177269201410191915141112175481314111− 2− 5− 4+ 3+ 3+ 4+ 2+ 2− 3

💡 Help with this task

📏 Measure the pencils Solution
02468101214161820A12B20C16D8
02468101214161820A18B14C20D8
02468101214161820A16B18C20D14
02468101214161820A20B14C18D16

💡 Help with this task

Page 104Cards · Who is right? · Number square
🔍➕ Pick the right cards Solution
931169+11=20
7105810+8=18
17214152+14=16
8135613+6=19
12371512+7=19
91151411+5=16
1638108+10=18
6131196+11=17

💡 Help with this task

☑️🧮 Check who is right Solution
EuliNumerion6 + 3 =✓9✗10
EuliNumerion14 − 2 =✗11✓12
EuliNumerion8 + 5 =✓13✗14
EuliNumerion15 − 7 =✗9✓8
EuliNumerion9 + 7 =✗15✓16
EuliNumerion16 − 9 =✓7✗8

💡 Help with this task

➕ Find the secret card Solution
5+4+11=20
6+3+7=16
8+6+5=19
7+2+9=18
4+3+12=19
8+5+4=17
7+5+8=20
4+8+6=18
6+3+10=19
5+7+7=19
6+5+3=14
9+2+5=16

💡 Help with this task

➕ More squares Solution
587813151216+
688914171417+
496713131016+
865614111312+
695715121116+
953814111213+
768413121510+
589613151414+
987517121613+
894717111216+

💡 Help with this task

Page 105Find the error · Connect the dots · Calendar
🔍🧮 Did Euli make a mistake? Solution
8+5=14→13
17−9=8
7+4=11
15−8=6→7
9+6−7=8
12−5+9=16
4+8−3=10→9
14−6+5=12→13

💡 Help with this task

🔍🎨 Puzzle: Connect all 20 numbers Solution
1234567891011121314151617181920
Castle

💡 Help with this task

📖 Calculating with the calendar Solution
1. 8
2. 6
3. 9
4. 12

💡 Help with this task

Page 106Calendar · Calculation · Cube net
📖 Find the days in the calendar Solution
1. 10
2. 17
3. 6
4. 12
5. 18
6. 7

💡 Help with this task

➕ The other way around - what goes first? Solution
13+7=20
18+2=20
11+9=20
16+4=20
9+11=20
14+6=20
19+1=20
8+12=20
15+5=20
10+10=20
17+3=20
12+8=20

💡 Help with this task

☑️ Can you fold the cube? Count the 6 faces! Solution
Yes
Yes
No
Yes
No
No
Yes
No

💡 Help with this task

Page 107Calendar · Shopping and more
➕ Puzzle bonus: double or triple! Solution
2+2=4
9+9=18
3+3=6
7+7=14
10+10=20
8+8=16
1+1+1=3
4+4+4=12
2+2+2=6
5+5+5=15
3+3+3=9
6+6+6=18

💡 Help with this task

🧮 Minus and plus with 5 to 9 Solution
21120
0612
0918
2814
51015
2916
11019
21018
4914
81318
2712
51117

💡 Help with this task

📖 Calculating with the calendar Solution
1. 13
2. 7
3. 9
4. 12

💡 Help with this task

➕ How much does this cost altogether? Solution
1. $9
2. $11
3. $10
4. $12

💡 Help with this task

Page 108Dominoes · Shopping · Calendar
👆➕ Add up the dominoes Solution
+11 + 7 = 18
+10 + 7 = 17
+8 + 9 = 17
+7 + 6 = 13
+8 + 9 = 17
+10 + 9 = 19

💡 Help with this task

➕ What does Euli pay when shopping? Solution
1. $2 and 12¢
2. $3 and 11¢
3. $4 and 13¢
4. $5 and 18¢

💡 Help with this task

📖 Find the days in the calendar Solution
1. 11
2. 17
3. 8
4. 9
5. 17
6. 4

💡 Help with this task

Page 109Machine · Time · Spider
🔍🧮 The number machine past ten Solution
+ 4121614189131519− 518131161492015+ 711186131320815

💡 Help with this task

🕐 Half-past times Solution
121234567891011half past 3
121234567891011half past 5
121234567891011half past 8
121234567891011half past 1
121234567891011half past 10
121234567891011half past 6
121234567891011half past 12
121234567891011half past 2
121234567891011half past 7
121234567891011half past 4
121234567891011half past 9
121234567891011half past 11

💡 Help with this task

➕ Add outward from the spider - across ten Solution
11415718213920
13518215720417
15318520116419

💡 Help with this task

Page 110Count containers · Find the error · Calculation
👆➕ How many are in the containers altogether? Solution
A8B9A + B = 17
A12B8A + B = 20
A9B9A + B = 18
A9B7A + B = 16

💡 Help with this task

🔍🧮 Did Euli make a mistake? Solution
8+6=15→14
17−8=9
9+7=16
16−9=6→7
7+8=15
14−6=7→8
6+9=15
13−5=7→8

💡 Help with this task

➖ Practice minus Solution
18−6=12
19−12=7
17−5=12
20−14=6
19−8=11
18−13=5
14−6=8
17−11=6
12−8=4
16−12=4
18−9=9
20−15=5

💡 Help with this task

Page 111Read the ruler · Mirror image
📏 Measure the pencils Solution
05101520A14B9C17D6
02468101214161820A13B18C10D15
02468101214161820A15B11C19D8
02468101214161820A16B8C12D14

💡 Help with this task

🎨 Draw the other half Solution

💡 Help with this task

Page 112Number wheel · Calculation · Count containers
🧮 Watch the middle, sometimes plus and sometimes minus Solution
813141961111161520914+ 5
1378217111041913159− 6
411111861313209161219+ 7

💡 Help with this task

🧮 Plus and minus mixed Solution
5+12=17
18−4=14
9+7=16
15−11=4
4+15=19
17−5=12
11+7=18
19−13=6
2+11=13
14−7=7
10+8=18
20−17=3

💡 Help with this task

👆➕ Add three containers together Solution
A8B5C7A + B + C = 20
A4B9C5A + B + C = 18
A5B7C7A + B + C = 19
A7B6C4A + B + C = 17

💡 Help with this task

Page 113Shopping · Bills and coins
➕ Numerion goes shopping Solution
1. $16 and 11¢
2. $14 and 14¢
3. $13 and 15¢
4. $15 and 10¢

💡 Help with this task

👆➕ How do you pay? Solution
3€ 3ct =$1$1$1$1$1$11¢1¢1¢
4€ =$1$1$1$1$1$1$1$1
1€ 20ct =$1$110¢10¢
18ct =10¢5¢1¢1¢1¢
2€ 15ct =$1$1$1$110¢5¢
5€ =$5$5
3€ 10ct =$1$1$1$1$1$110¢

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Page 114Shopping · Swap · Magic potion
🧮 How much change? Solution
1. $16
2. $14
3. $12
4. $18

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🔗 Connect with the correct swap partner Solution
3+8=11↔8+3=11
4+7=11↔7+4=11
6+7=13↔7+6=13
4+9=13↔9+4=13
5+6=11↔6+5=11
2+9=11↔9+2=11
5+8=13↔8+5=13
7+8=15↔8+7=15

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➕ Puzzle: A double portion for the witch Solution
🐲Dragon Potion8🔥14🪨6💎12⚡
🦉Owl Potion10🪶16🌙12⭐6🍃
✨Star Potion18⭐8🌙14☄️10🌟
☁️Cloud Potion12💧20🌬️8❄️16🌧️
⚡Lightning Potion14✨10🌩️18💥8🔋
☀️Sun Potion20🌻18🍋12🔥8🌅

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Page 115Word problems · Calculation · Cards
🧮 At the toy store Solution
  1. 1. $13
  2. 2. $8
  3. 3. 20
  4. 4. $4
  5. 5. 17

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🧮 Work out the chain! Solution
8+7−6=9
13−5+8=16
9+6−3=12
17−9+2=10
6+8+4=18
15−7−3=5
12−4+9=17
5+9−1=13

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➖ The secret card with minus Solution
12−4=8
15−6=9
11−8=3
20−12=8
14−9=5
17−7=10
13−5=8
19−13=6
16−7=9
10−6=4
18−10=8
12−3=9
15−11=4
11−2=9
20−14=6
14−5=9

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Page 116Share fairly · Bills and coins
➗ Share fairly Solution
6⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐6
4⭐⭐⭐⭐⭐⭐⭐⭐4
10⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐10
7⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐7
5⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐5
9⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐9
8⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐8

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👆➕ How do you pay for it? Solution
3€ =$1$1$1$1$1$1
6€ =$5$5$1$1
1€ 5ct =$1$15¢
7€ =$5$5$1$1$1$1
2€ 20ct =$1$1$1$110¢10¢
4€ 10ct =$1$1$1$1$1$1$1$110¢
6€ 15ct =$5$5$1$110¢5¢

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Page 117Magic code · Calculation · Counting money
🔍🧮 Puzzle: Crack the code step by step Solution
🌟 = 7🌙 = 9⚡ = 4🦉 = 6
🌟+🌟=14=7
🌟+🌙=16=9
🌙−⚡=5=4
⚡+🦉=10=6
🌟+🦉=13
🌙+⚡=13
🌟+⚡=11
🌙+🦉=15
🌟−⚡=3

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🧮 Crossing ten: what is missing? Solution
8+5=13
8+7=15
14−6=8
13−5=8
9+7=16
9+6=15
15−8=7
15−9=6
8+5=13
8+6=14
7+5=12
13−7=6

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👆➕ Counting money Solution
$5$5$1$110¢= $6 and 10¢
$5$55¢= $5 and 5¢
$10$1010¢= $10 and 10¢
$5$510¢= $5 and 10¢
$10$10$1$1$1$110¢= $12 and 10¢
$5$5$1$1$1$15¢= $7 and 5¢
$10$10$5$55¢= $15 and 5¢
$5$5$1$1$1$110¢5¢= $7 and 15¢
$10$10$1$1$1$1$1$15¢= $13 and 5¢
$10$10$1$15¢= $11 and 5¢
$10$10$5$5$1$1$1$110¢= $17 and 10¢
$10$10$5$5$1$110¢= $16 and 10¢

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Page 118Word problems · Price puzzle · Who is right?
🧮 At the swimming pool Solution
  1. 1. 17
  2. 2. 7
  3. 3. 16
  4. 4. 7
  5. 5. 14

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🔍➖ Puzzle: What does the "?" cost? Solution
1x Strawberry$21x Ice cream$31x Cookie$11x Lemon$5$11
1x Cherries$41x Sweet$11x Pear$21x Chocolate$4$11
1x Cherries$41x Strawberry$21x Sweet$11x Ice cream$3$10

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☑️🧮 Who worked out the chain correctly? Solution
EuliNumerion12 − 5 + 3 + 6 − 4 =✓12✗20
EuliNumerion8 + 7 − 5 + 4 − 6 =✗20✓8
EuliNumerion15 − 3 − 4 + 8 − 2 =✓14✗18

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Page 119Time · Shopping
🕐 O'clock and half-past times Solution
1212345678910114 o'clock
121234567891011half past 7
12123456789101112 o'clock
121234567891011half past 2
121234567891011half past 9
121234567891011half past 10
1212345678910111 o'clock
121234567891011half past 6
121234567891011half past 3
1212345678910118 o'clock
121234567891011half past 5
12123456789101111 o'clock

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➕ Euli and Numerion go shopping Solution
1. $11 and 16¢
2. $16 and 15¢
3. $12 and 20¢
4. $10 and 14¢

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Page 120Counting money · Word problems
👆➕ Count the bills and coins Solution
$5$510¢10¢= $5 and 20¢
$5$5$1$1$1$11¢1¢= $7 and 2¢
$5$5$1$110¢1¢1¢= $6 and 12¢
$5$5$1$1$1$110¢1¢= $7 and 11¢
$10$101¢1¢1¢= $10 and 3¢
$10$10$1$110¢10¢= $11 and 20¢
$10$10$1$1$1$11¢= $12 and 1¢
$10$10$1$1$1$1$1$110¢= $13 and 10¢
$10$10$5$51¢1¢= $15 and 2¢
$10$10$5$5$1$1$1$11¢= $17 and 1¢
$10$10$5$5$5$51¢1¢= $20 and 2¢
$20$2010¢10¢= $20 and 20¢

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🧮 Problems to think about Solution
  1. 1. 13
  2. 2. 15
  3. 3. 7
  4. 4. 8
  5. 5. 13

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Page 121Price puzzle · Weekday puzzle · Magic picture
🔍➖ Puzzle: What does the "?" cost? Solution
1x Milk$21x Bread$41x Butter$31x Yoghurt$6$15
1x Orange$51x Tomato$21x Apple$31x Juice$7$17
1x Bread$41x Orange$51x Milk$21x Apple$3$14

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📖📝 Puzzle: What day is it? Solution
Today is Monday. What day will it be in 4days?MonTueWedThuFriSatSun+4Friday
Today is Thursday. What day will it be in 3days?MonTueWedThuFriSatSun+3Sunday
Today is Saturday. What day will it be in 2days?MonTueWedThuFriSatSun+2Monday
Today is Wednesday. What day will it be in 6days?MonTueWedThuFriSatSun+6Tuesday

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🎨 Number magic Solution
6ABCDE123457ABCDE12345

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Page 122Time · Number wheel · Rule house
🕐 Mixed clock times Solution
121234567891011half past 1
1212345678910116 o'clock
121234567891011half past 9
121234567891011half past 4
1212345678910118 o'clock
121234567891011half past 11
1212345678910112 o'clock
121234567891011half past 5
121234567891011half past 10
1212345678910113 o'clock
121234567891011half past 7
121234567891011half past 12

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🧮 Keep turning the wheel, plus and minus Solution
59131791316206101115+ 4
1221771442010111166− 10
314415112920213617+ 11

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➕ Fill in the rule houses Solution
+ 67131218915
+ 75128151017
+ 86141119412
+ 9514918817
+ 13215720518

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Page 123Word problems · Puzzle: Sliding robot
🧮 At the supermarket Solution
  1. 1. 10 → 1
  2. 2. 4 → 6
  3. 3. 6 → 6
  4. 4. 10 → 15
  5. 5. 9 → 4
🗺️📍 4 moves ↑↓←→ to the block Solution
4 moves
4 moves
4 moves
4 moves
4 moves
4 moves

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Page 124

This book page has no exercises with solutions.

Page 125Boss level: numbers up to 20
A Boss level: numbers up to 20 Solution
17
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Cover: Math Workbook for Grade 1
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Math Workbook for Grade 1

These solutions belong to the printed workbook. It works step by step through addition, subtraction, crossing ten, geometry, money and telling the time.

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40+task types2000+Exercises
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