Which one doesn't belong? 1) Click the button. 2) Using the attached image, tell as many ways as you can as to why ONE shape doesn't belong with the others. (Hint: There is more than one correct answer! Tell as many ways as you can!) 3) Record your reasons with , , or . It's your choice! Just click the student template and add your reasons with your tools of choice! 4) Click the to submit to your journal and for your teacher to approve your work.
This activity was modified from Kara Brem's "Which One Doesn't Belong" and the graphs come from Math in Focus. Singapore Math. Marshall Cavendish Education, 2013.