Mastering Multiplication and Division by Powers of Ten

This video tutorial explains how to multiply and divide numbers, including decimals, by powers of ten such as ten, a hundred, and a thousand. It covers the concept of moving the decimal point to the right for multiplication to make numbers larger and to the left for division to make numbers smaller. The tutorial provides several examples to illustrate these concepts, demonstrating how to handle whole numbers and decimals effectively.

What is the first step in multiplying or dividing by powers of ten?

• Move the decimal point to the right

• Count the number of digits

• Move the decimal point to the left

• Count the number of zeros

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CCSS.5.NBT.A.2

When multiplying by 10, in which direction do you move the decimal point?

• To the left

• To the right

• Upwards

• Downwards

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CCSS.5.NBT.A.2

What is 34 multiplied by 10?

• 34.0

• 3.4

• 3400

• 340

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CCSS.5.NBT.B.7

How many places do you move the decimal point when multiplying 240 by 1000?

• Four places

• Three places

• One place

• Two places

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CCSS.5.NBT.A.2

What is the result of 3.4 multiplied by 10?

• 34

• 340

• 0.34

• 3.40

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CCSS.5.NBT.A.2

When dividing by 10, in which direction do you move the decimal point?

• To the left

• To the right

• Downwards

• Upwards

Tags

CCSS.5.NBT.A.2

What is 34 divided by 10?

• 34.0

• 3.4

• 0.34

• 340

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CCSS.5.NBT.A.2

How many places do you move the decimal point when dividing 240 by 1000?

• Two places

• Three places

• Four places

• One place

Tags

CCSS.5.NBT.A.2

What is the result of 0.256 divided by 10?

• 0.0256

• 2.56

• 25.6

• 0.2560

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CCSS.5.NBT.A.2

What is 740 divided by 100?

• 7.4

• 74

• 7400

• 0.74

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CCSS.5.NBT.A.2