 ## CCSS.MATH.CONTENT.1.OA.A.2

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## Associate and Add, Worksheet 1

### Use the associative property to simplify addition with this worksheet set. ## Associate and Add, Worksheet 2

### Use the associative property to simplify addition with this worksheet set. ## Associate and Add, Worksheet 3

### Use the associative property to simplify addition with this worksheet set. ## Associate and Add, Worksheet 4

### Use the associative property to simplify addition with this worksheet set. ## Associate and Add, Worksheet 5

### Use the associative property to simplify addition with this worksheet set. ## Find the Missing Number, Worksheet 1

### Find the missing value from the addition equation. ## Find the Missing Number, Worksheet 10

### Find the missing value from the addition equation. ## Find the Missing Number, Worksheet 2

### Find the missing value from the addition equation. ## Find the Missing Number, Worksheet 3

### Find the missing value from the addition equation. ## Find the Missing Number, Worksheet 4

### Find the missing value from the addition equation. ## Find the Missing Number, Worksheet 5

### Find the missing value from the addition equation. ## Find the Missing Number, Worksheet 6

### Find the missing value from the addition equation. ## Find the Missing Number, Worksheet 7

### Find the missing value from the addition equation. ## Find the Missing Number, Worksheet 8

### Find the missing value from the addition equation. ## Find the Missing Number, Worksheet 9

### Find the missing value from the addition equation. ## Instructional Resource: Sums Greater Than 10

### This PowerPoint Presentation presents a series of questions using red and yellow counters. ## Quizlet Flash Cards: Adding Objects

### Using counting skills to add numbers. ## Quizlet Flash Cards: Sums Greater Than 10

### Find the numbers that make up the sum in this set of Quizlet flash cards. ## Switch Places and Add, Worksheet 1

### Use the commutative property to simplify addition with this worksheet set. ## Switch Places and Add, Worksheet 2

### Use the commutative property to simplify addition with this worksheet set. 