## Reflection: Discourse and Questioning Bicycle Tire Revolution - Section 1: Lesson Beginning

The POD was a good foundation for the activity in class. We discussed diameter, which will be used in a later unit. We also talked about how to roll balls at the same speed. How would the speed be measured? It was a segue into unit rate that took much longer than anticipated but it was a good hook for the students.

Lesson Hook
Discourse and Questioning: Lesson Hook

# Bicycle Tire Revolution

Unit 6: Proportional Relationships
Lesson 4 of 10

## Big Idea: Discover the connection between ratios and unit rates!

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