## Combos of 9 IP.docx - Section 4: Independent Practice

Combos of 9 IP.docx
Combos of 9 IP.docx

# Crayon Box Combinations

Unit 6: Properties of Addition and Subtraction
Lesson 2 of 12

## Big Idea: Students think deeply about how to make 9 using different combinations of red and blue crayons. This builds number sense and sets them up for later math fact fluency!

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50 minutes

### Amanda Cole

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