Multiplying by 10's

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 x 4 means adding 3 four times (3 + 3 + 3 + 3).

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CCSS.3.OA.A.1

Front

What does it mean to multiply by 10?

Back

Multiplying by 10 means increasing a number ten times. For example, 5 x 10 = 50.

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CCSS.5.NBT.B.7

Front

How do you multiply a number by 20?

Back

To multiply a number by 20, you can multiply it by 2 and then add a zero. For example, 4 x 20 = (4 x 2) followed by a zero = 80.

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CCSS.3.NBT.A.3

Front

What is 3 x 10?

Back

30

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CCSS.3.NBT.A.3

Front

What is 5 x 10?

Back

50

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CCSS.3.NBT.A.3

Front

What is 6 x 10?

Back

60

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CCSS.3.NBT.A.3

Front

What is 4 x 50?

Back

200

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CCSS.4.NBT.B.5

Front

What is 9 x 20?

Back

180

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CCSS.3.NBT.A.3

Front

If you have 7 sets of 10, how many do you have in total?

Back

70

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CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What is 8 x 30?

Back

240

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CCSS.4.NBT.B.5