Adding and Subtracting Within 20

Front

What is the result of adding two numbers together?

Back

The result of adding two numbers together is called the sum.

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CCSS.6.EE.A.1

Front

What is the result of subtracting one number from another?

Back

The result of subtracting one number from another is called the difference.

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CCSS.7.NS.A.1C

Front

If Emilio has 17 video games and gives away 3, how can we express the operation mathematically?

Back

The operation can be expressed as 17 - 3.

Tags

CCSS.2.OA.A.1

Front

What is the sum of 9 and 5?

Back

The sum of 9 and 5 is 14.

Front

What is the difference when you subtract 8 from 14?

Back

The difference when you subtract 8 from 14 is 6.

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CCSS.1.OA.C.6

Front

Is the equation 13 = 9 + 5 true or false?

Back

The equation 13 = 9 + 5 is false.

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CCSS.HSN.CN.A.2

Front

What is 18 - 13?

Back

18 - 13 equals 5.

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CCSS.2.OA.A.1

Front

What is 15 - 7?

Back

15 - 7 equals 8.

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CCSS.2.OA.A.1

Front

What is the maximum number you can add to 20 without exceeding it?

Back

The maximum number you can add to 20 without exceeding it is 0.

Tags

CCSS.1.OA.A.1

Front

What is the minimum number you can subtract from 20?

Back

The minimum number you can subtract from 20 is 1.

Tags

CCSS.1.OA.A.1