Converting Between Common Fractions and Decimals

The video tutorial provides practice in representing common fractions as decimals. It covers converting fractions like 1/5, 1/4, and 1/2 into decimals using simple multiplication techniques. The tutorial also demonstrates how to apply these conversions to other fractions and decimals, such as 3/5 and 0.75, and explains converting mixed numbers like 2.5 into fractions. The goal is to build intuition and fluency in moving between fractions and decimals, which is useful in everyday life.

Which fractions are introduced in the video?

• 1/3, 1/4, 1/5

• 1/5, 1/4, 1/2

• 1/4, 1/5, 1/6

• 1/2, 1/3, 1/4

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CCSS.3.NF.A.1

CCSS.3.NF.A.2A

What is the decimal representation of 1/5?

• 0.4

• 0.2

• 0.1

• 0.3

To convert 1/5 to a decimal, what do you multiply the numerator and denominator by?

• 3

• 4

• 2

• 5

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

What is the decimal representation of 1/4?

• 0.35

• 0.20

• 0.30

• 0.25

To convert 1/4 to a decimal, what do you multiply the numerator and denominator by?

• 25

• 30

• 20

• 10

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

What is the decimal representation of 1/2?

• 0.3

• 0.2

• 0.4

• 0.5

Why is it useful to recognize fractions like 1/5, 1/4, and 1/2?

• They help in quick mental calculations

• They are only used in advanced math

• They are rarely used in real life

• They are not useful at all

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CCSS.3.NF.A.1

CCSS.3.NF.A.2A

What is the decimal representation of 3/5?

• 0.7

• 0.4

• 0.5

• 0.6

What fraction is equivalent to 0.75?

• 4/5

• 3/4

• 1/2

• 2/3

How can 2.5 be represented as a fraction?

• 5/3

• 4/2

• 3/2

• 5/2