Adding within 20

Front

What is the sum of 9 and 5?

Back

14

Tags

CCSS.2.OA.C.3

Front

What is the sum of 5 and 5?

Back

10

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CCSS.2.OA.C.3

Front

What is the sum of 5 and 10?

Back

15

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CCSS.1.OA.A.1

Front

What is the sum of 5 and 3?

Back

8

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CCSS.2.OA.C.3

Front

What is the sum of 10 and 6?

Back

16

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CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is the maximum sum you can get when adding two numbers within 20?

Back

The maximum sum is 19 (9 + 10).

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CCSS.1.OA.A.1

Front

What is the minimum sum you can get when adding two positive numbers?

Back

The minimum sum is 2 (1 + 1).

Tags

CCSS.7.NS.A.1C

Front

If you add 7 to a number, what is the result if the number is 8?

Back

15

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CCSS.1.OA.A.1

Front

What is the result of adding 4 and 6?

Back

10

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CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

How do you check if your addition is correct?

Back

You can check by subtracting one of the addends from the sum.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2