“Inverse” means “Equal and Opposite”

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# “Inverse” means “Equal and Opposite” - PowerPoint PPT Presentation

Today you are going to learn how to check addition and subtraction problems with the inverse operation. “Inverse” means “Equal and Opposite”. “Inverse” means “Equal and Opposite”. “Inverse” means “Equal and Opposite” 2 miles. “Inverse” means “Equal and Opposite” 2 miles

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Presentation Transcript

Today you are going to learn how to check addition and subtraction problems with the inverse operation.

“Inverse” means “Equal and Opposite”

2 miles

2 miles

Same distance, but in the opposite direction.

“Inverse” means “Equal and Opposite”

2 miles

2 miles

Same distance, but in the opposite direction.

3 apples + 4 apples = 7 apples.

“Inverse” means “Equal and Opposite”

2 miles

2 miles

Same distance, but in the opposite direction.

3 apples + 4 apples = 7 apples

7 apples – 4 apples = 3 apples

7 apples – 3 apples = 4 apples

Addition and Subtraction are Inverse Operations.

Imagine Addition and Subtraction Problems as Puzzle Pieces

3 + 4 = 7 7 – 3 =4

4 +3 = 7 7 - 4 =3

7

4

3

Imagine Addition and Subtraction Problems as Puzzle Pieces

182 + 244 = 426 426 – 182 = 244

244 + 182 = 426 426 – 244 = 182

426

182

244

You just learned how to check addition and subtraction problems with the inverse operation.