## Race to 100 Game Board - Section 3: Practice the Concept

Race to 100 Game Board

# 10 More and 10 Less

Unit 4: Each Number Has a Place
Lesson 4 of 6

## Big Idea: The big idea of this lesson is for students to understand that our number system allows for identifying 10 more and 10 less than a number by simply adjusting the digit in the tens place.

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60 minutes

### Kristen O'Connor

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