In the middle there is a number.
On the left goes the number that is five less.
On the right goes the number that is five more.
The filled-in example next to it shows the answer.
Example
What does this exercise practice?
Working in steps of five around a number strengthens flexible adding and subtracting up to twenty.
Common pitfalls
Do not mix up left and right. Less means counting backwards, more means counting forwards.
How to practice at home
Name a number and work out five less and five more together, for example on the number line.
Related: Neighbor numbers, Number line