Every number can be split into two parts.
Example: 7 = 3 + 4
The 7 is split into 3 and 4.
Sometimes one part is missing, sometimes both are, find the numbers!
The numbers shown give the answer.
Example
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
More for parents: matheeule.de/eltern