Understanding Division by Fractions

The video tutorial explains how to divide whole numbers by fractions, specifically tenths and hundredths. It demonstrates the process using examples like 2 divided by 1/10 and 7 divided by 1/10, showing that dividing by a fraction is equivalent to multiplying by its reciprocal. The tutorial also covers the concept of expressing numbers in terms of tenths and hundredths to simplify division. Through these examples, a pattern emerges: dividing by a fraction results in multiplying by the reciprocal, which is further illustrated by dividing 6 by 1/100.

What is the result of dividing 2 by 1/10?

• 10

• 0.2

• 20

• 2

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CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

How many groups do you get when dividing 7 by 1/10?

• 7

• 70

• 0.7

• 700

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CCSS.5.NBT.A.2

What pattern emerges when dividing by 1/10?

• Divide by 10

• Multiply by 10

• Subtract 10

• Add 10

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CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the reciprocal of 1/10?

• 10

• 0.1

• 1

• 100

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CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

How do you calculate 2 divided by 1/10 using the reciprocal method?

• 2 - 10

• 2 / 10

• 2 + 10

• 2 x 10

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CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

What is the result of dividing 6 by 1/100?

• 6

• 600

• 0.6

• 60

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CCSS.4.NF.C.6

How many hundredths are there in 6 wholes?

• 60

• 0.6

• 600

• 6

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CCSS.5.NBT.A.2

What pattern is observed when dividing by 1/100?

• Subtract 100

• Add 100

• Divide by 100

• Multiply by 100

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CCSS.6.NS.A.1

What is the equivalent operation to dividing by a fraction?

• Subtracting the reciprocal

• Adding the reciprocal

• Multiplying by the reciprocal

• Dividing by the reciprocal

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CCSS.5.NBT.A.2

What happens when you divide by a tenth or a hundredth?

• Multiply by 10 or 100

• Divide by 10 or 100

• Add 10 or 100

• Subtract 10 or 100

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CCSS.5.NBT.A.2