## The group working with harder problems checks their thinking with base 10 blocks. - Section 2: Teaching The Lesson

The group working with harder problems checks their thinking with base 10 blocks.
The group working with harder problems checks their thinking with base 10 blocks.

# Counting Backwards Works Too

Unit 2: Adding and Subtracting the Basics
Lesson 4 of 18

## Big Idea: Students are more confident counting up, however, counting back is crucial to understanding subtraction. It needs to be taught and practiced more frequently.

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45 minutes

### Beth McKenna

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