Activity

Grade
4

Which One Doesn't Belong? Numbers

Look at this set of four numbers. Decide which one doesn’t belong with the other three. Describe your thinking using math words. There are many ways to think about each one!

A. shows 100 in red. B. shows 25 in blue. C. shows 36 in green. D. shows 30 in purple.

Challenge

Find reasons why each number might not belong with the other three.

Share

Explain your thinking to someone. Do they have different reasons one doesn't belong?