# Addition strategies

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##### Intros

###### Lessons

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##### Examples

###### Lessons

**Adding by grouping sums of 10**

Add by pairing up sums of 10. Circle the pair and fill in the blanks.**Adding by 9 strategy**

Add 9 by: adding 10 first, then taking 1 away. Fill in the blanks.**Adding by 8 strategy**

Add 8 by: adding 10 first, then taking 2 away. Fill in the blanks.**Adding using friendly numbers with adjustment**

Add by changing one number into a "friendly" number and adjust. Fill in the blanks.**Adding by making friendly numbers with given addends**

Add: make "friendly" numbers using given addends. Fill in the blank.**Adding on strategy**

Use the method of adding on from left to right.**Counting on from the first number**

Add by counting on from the first number

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