Mastering Multiplication with Tens

This video tutorial teaches how to multiply numbers by multiples of 10. It begins by explaining the concept of basic facts, which involves multiplying single-digit numbers without zeros. The video provides several examples, such as 7 times 30, 3 times 60, and 90 times 8, demonstrating how to multiply the basic facts and then add the appropriate number of zeros. The tutorial concludes with additional examples and encourages viewers to explore further resources for practice.

What is the first step in multiplying by multiples of 10?

• Subtract the zeros

• Multiply the basic fact first

• Divide by 10

• Add the zeros first

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CCSS.4.NBT.B.5

What is 7 times 3?

• 18

• 21

• 24

• 30

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CCSS.3.OA.C.7

What do you do after finding the product of the basic fact in 7 times 30?

• Subtract a zero

• Add a zero

• Multiply by 10

• Divide by 10

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CCSS.3.OA.A.1

What is the product of 3 times 6?

• 21

• 18

• 15

• 12

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CCSS.3.OA.C.7

What is the final result of 3 times 60?

• 180

• 160

• 240

• 200

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CCSS.4.NBT.B.5

What is the basic fact in 90 times 8?

• 9 times 8

• 10 times 8

• 9 times 9

• 8 times 8

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CCSS.3.OA.A.1

What is the product of 9 times 8?

• 72

• 90

• 64

• 81

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CCSS.3.OA.C.7

What is the final result of 90 times 8?

• 730

• 720

• 700

• 710

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CCSS.4.NBT.B.5

What is the basic fact in 5 times 20?

• 5 times 2

• 5 times 10

• 5 times 4

• 5 times 5

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CCSS.3.OA.A.1

What is the final result of 60 times 9?

• 560

• 500

• 520

• 540

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CCSS.4.NBT.B.5