Grade
K

Which One Doesn’t Belong? Pattern Play

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 a line of pattern shapes. 2 yellow hexagons. 1 blue rhombus. 2 yellow hexagons. 1 blue rhombus. B. shows a line of pattern shapes. Red trapezoid. Yellow hexagon. Red trapezoid. Yellow hexagon. Red trapezoid. Yellow hexagon. C. shows a line of pattern shapes. 2 red trapezoids. 1 yellow hexagon. 2 red trapezoids. D. shows a line of Unifix cubes. 2 red cubes. 1 yellow cube. 2 red cubes. 1 yellow cube.

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

Seesaw Version

Activity for the Seesaw platform

Reference for Educators

Sample problems and solutions