Grade
1

Which One Doesn't Belong? Stick with It

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

A: 6 groups of 5 craft sticks each and 6 single craft sticks. B: 3 bundles of 10 craft sticks each and 1 single craft stick. C: 3 bundles of 10 craft sticks each. D: 2 bundles of 10 craft sticks each and 4 single craft sticks.

Challenge

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

Share

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

Printable Version

Google doc for printing and copying

Seesaw Version

Activity for the Seesaw platform

Reference for Educators

Sample problems and solutions