ADDITION AND SUBTRACTION

2 + 2 = (a)  

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CCSS.1.OA.C.6

CCSS.2.OA.B.2

4 - 2 = (a)  

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CCSS.2.OA.A.1

4 + (a)   = 7

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CCSS.1.OA.A.1

7 - (a)   = 4

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CCSS.1.OA.D.8

9 = 7 + (a)  

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CCSS.1.OA.A.1

How many toy cars are there altogether?

• 10

• 9

• 8

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CCSS.1.OA.A.1

12-1=

• 11

• 12

• 13

• 10

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CCSS.2.OA.A.1

Ella had 15 ribbons. she gave 7 of them to Grant. How many ribbons does Ella have left?

• 5
• 15
• 8
• 22

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CCSS.2.OA.A.1

There were 15 boys in the classroom. Some of them went out. Now there are 5 boys in the classroom. How many boys went out?

• 20
• 10
• 5
• 15

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CCSS.2.OA.A.1

SELECT THE STRATEGIES THAT YOU CAN USE TO SOLVE ADDITION AND SUBTRACTION PROBLEMS.

• COUNT ON OR COUNT UP

• DRAW A PICTURE

• COUNT BACK OR COUNT DOWN

• CROSS OFF TO SUBTRACT

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CCSS.2.OA.A.1