Which One Doesn't Belong? Quadrilateral Quiz

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 purple parallelogram. B: A blue trapezoid with 2 right angles and no congruent sides. C: A yellow kite with 1 right angle. D: A green rectangle.


See if you can find reasons why each of the shapes might not belong with the other three.


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