Add and Subtract 2-Digit Numbers

Front

What is the sum of 23 and 15?

Back

38

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the result of subtracting 29 from 59?

Back

30

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CCSS.7.NS.A.1C

Front

What do you get when you subtract 21 from 83?

Back

62

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference when you subtract 12 from 43?

Back

31

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the process of adding two numbers called?

Back

Addition

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the process of finding the difference between two numbers called?

Back

Subtraction

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CCSS.1.OA.A.1

Front

If you add 10 to a two-digit number, what will happen to the tens place?

Back

It may increase by 1 if the sum exceeds 99.

Tags

CCSS.1.NBT.C.5

Front

What is the value of the tens place in the number 83?

Back

8

Tags

CCSS.4.NBT.A.1

Front

How do you check your addition for accuracy?

Back

You can use the inverse operation of subtraction.

Tags

CCSS.1.OA.A.1

Front

What is the value of the ones place in the number 59?

Back

9

Tags

CCSS.4.NBT.A.1