## subtraction practice.docx - Section 3: Independent Practice

subtraction practice.docx
subtraction practice.docx

# Checking on Subtraction

Unit 11: The Numbers Are Getting Bigger
Lesson 13 of 15

## Big Idea: Students want to flip numbers to make subtraction easier. Work with manipulatives and drawings to understand why flipping doesn't make sense.

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Standards:
Subject(s):
Math, Number Sense and Operations, subtraction, solve problems
45 minutes

### Beth McKenna

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