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## 2nd grade

### Course: 2nd grade > Unit 1

Lesson 4: Add and subtract within 20- Adding within 20 using place value blocks
- Adding within 20 using ten frames
- Subtract within 20 using place value blocks
- Subtract within 20 using a number line
- Add & subtract within 20
- Addition and subtraction word problems: gorillas
- Addition and subtraction word problems: superheroes
- Add and subtract within 20 word problems

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# Add and subtract within 20 word problems

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