Grade
2

Which One Doesn't Belong? Colorful Parts

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: A wide rectangle is divided into 3 equal parts with horizontal lines. The bottom part is blue. B: A square is divided into 4 equal parts with horizontal lines. The top part is green. C: A square is divided into 3 parts with horizontal lines. The top and bottom parts are the same size and are purple. The middle part is larger than the other parts. D: A square is divided into 3 equal parts with vertical lines. The middle part is orange.

Challenge

See if you can 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