Grade
4

Which One Doesn't Belong? Egg Fraction Action

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. shows an egg carton model divided into 12 parts. 1 part in each row is blue but they do not touch. B. shows an egg carton model divided into 12 parts. 3 parts on the top and 2 parts on the bottom are red. C. shows an egg carton model divided into 6 equal parts. 1 part on the top and 1 part on the bottom are yellow. D. shows an egg carton model divided into 12 parts. 4 parts on the top and 4 parts on the bottom are green.

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