# Subtraction strategies

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##### Intros

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##### Examples

###### Lessons

**Subtracting by breaking up the subtrahend**

Subtract by breaking up the number being taken away.

Fill in the blanks by following the example:

**Subtracting by 9 strategy**

Subtract 9 by: subtracting 10 first, then putting 1 back**Subtracting by 8 strategy**

Subtract 8 by: subtracting 10 first, then putting 2 back**Subtracting using friendly numbers with adjustment**

Subtract by changing one number into a "friendly" number and adjust. Fill in the blanks.**Subtraction strategy: make friendly numbers by adding to both numbers**

Subtract: make "friendly" numbers by adding to both numbers. Fill in the blanks.**Subtraction strategy: counting on from the second number**

Subtract by counting on from the second number. Show your work.

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