## Explaining Their Thinking - Section 1: Warm Ups

Explaining Their Thinking

# NO FLIPPING SUBTRACTION

Unit 11: The Numbers Are Getting Bigger
Lesson 14 of 15

## Big Idea: Students love the No Flipping Subtraction rule. Can they apply it to word problems?

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Standards:
Subject(s):
Math, Number Sense and Operations, subtraction, solve problems, Word Problem, algorithm
35 minutes

### Beth McKenna

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