Grade
K

Which One Doesn’t Belong? We See Seashells

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!

Four tables show types of shells and how many of each. A: Green shells: 3. Orange shells: 2. Pink shells: 5. B: Green shells: 4. Orange shells: 2. Pink shells: 3. C: Green shells: 4. Orange shells: 2. Pink shells: 3. Blue shells: 1. D: Green shells: 6. Orange shells: 1. Pink shells: 3.

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

Reference for Educators

Sample problems and solutions