Every number can be split into two parts. If you add the two parts back together, you get the original number.
Sometimes one part is missing, find the number!
The numbers shown give the answer.
Example
For parents
What does this exercise practice?
This task deepens the understanding that a number can be made up of different smaller groups, the basis for flexible calculating.
Common pitfalls
Children often know only one way to split a number. It helps to show that 7 can also be 1+6 or 2+5; there are always several possibilities.
How to practice at home
Split a handful of gummy bears into two piles and add them up. How many different splits are there? That makes number splitting easy to grasp through play.
Related: Number house, Wall
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