Which One Doesn't Belong? Pieces & Parts

Look at this set of four values. 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: Nine parts of an egg carton fraction model are shaded green. B: 3 times one-forth. C: 0.75. D: 4-tenths.


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


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