Unit 8 - Lesson 18 - Grade 5: Illustrative Mathematics

Which one doesn’t belong?

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For each shape, discuss one reason why it does not belong.

For each shape, discuss one reason why it does not belong.

Create your own Which One Doesn’t Belong about any mathematical idea you want others to notice.

As mathematicians, it is important to justify our thinking and listen to the reasoning of others. Describe a time when you learned something new or thought differently about something based on what someone else in the class said today.