## One Happy Fact Family - Section 3: Practice the Concept

One Happy Fact Family
One Happy Fact Family

# We Are All a Happy Fact Family

Unit 1: Addition and Subtraction Basic Training
Lesson 6 of 7

## Big Idea: Addition and subtraction are related! Every subtraction fact has a related addition number sentence, and every addition fact has a related subtraction number sentence.

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55 minutes

### Kristen O'Connor

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