Grade
1

Which One Doesn't Belong? All Bundled Up

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: 3 pairs of winter boots, 2 pairs of green and red mittens and a single green and red mitten. B: 4 pairs of blue mittens and a single blue mitten. C: 4 blue winter hats and 6 blue scarves. D: 2 pairs of blue mittens, a single blue mitten, 2 pairs of green and red mittens and a single green and red mitten.

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

Reference for Educators

Sample problems and solutions