Adding and subtracting two-digit numbers

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

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CCSS.2.OA.A.1

Front

What is the sum of 54 and 35?

Back

89

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CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What is 71 minus 43?

Back

28

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 88 minus 74?

Back

14

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CCSS.7.NS.A.1C

Front

What is the sum of 55 and 12?

Back

67

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What is 60 minus 42?

Back

18

Tags

CCSS.2.OA.A.1

Front

What do we call the result of an addition problem?

Back

The result of an addition problem is called the sum.

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CCSS.6.EE.A.1

Front

What do we call the result of a subtraction problem?

Back

The result of a subtraction problem is called the difference.

Tags

CCSS.5.NBT.B.7

Front

If you have 10 apples and you add 5 more, how many apples do you have?

Back

You have 15 apples.

Tags

CCSS.1.OA.A.1