In a number puzzle you look for a hidden number.
Read every clue carefully and rule out numbers step by step.
Example:
I am bigger than 40.
I am smaller than 50.
I am even.
My ones digit is 6.
This is how you think: between 40 and 50 are the numbers 41 to 49.
Even and ones digit 6: only the 46 fits.
The numbers filled in show the solution.
Example
- I am bigger than 40.
- I am smaller than 50.
- I am even.
- My ones digit is 6.
Solution: 46
- I am smaller than 70.
- I am bigger than 60.
- I am odd.
- My ones digit is 3.
Solution: 63
For parents
What does this exercise practice?
Read clues one after another and narrow numbers down logically.
Common pitfalls
Children often pay attention to only one clue. All the clues have to be true at the same time, otherwise the number is wrong.
How to practice at home
Make up your own puzzles in pairs: one describes a number with clues, the other guesses it.
Related: Neighbor Numbers, Even and Odd, Ordering Numbers