Understanding Fractions with Common Denominators

The video tutorial explains how to rewrite fractions with different denominators to have a common denominator of 10. It uses visual aids to demonstrate converting three-fifths to six-tenths and seven-halves to thirty-five tenths. The process involves multiplying both the numerator and denominator by the same number to maintain the fraction's value while changing its form.

What is the goal when rewriting fractions with a common denominator?

• To have the same denominator

• To make the numerators equal

• To simplify the fractions

• To change the fractions to decimals

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CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many equal parts does the rectangle need to be divided into to represent 3/5?

• 2 equal parts

• 5 equal parts

• 10 equal parts

• 3 equal parts

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CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What happens to the numerator when converting 3/5 to 6/10?

• It is halved

• It is tripled

• It remains the same

• It is doubled

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CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the equivalent fraction of 3/5 with a denominator of 10?

• 7/10

• 3/10

• 6/10

• 5/10

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CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What operation is used to convert 7/2 to a fraction with a denominator of 10?

• Addition

• Subtraction

• Multiplication

• Division

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CCSS.3.NF.A.3B

CCSS.4.NF.A.1

How many times is each half split to convert 7/2 to tenths?

• 3 times

• 2 times

• 4 times

• 5 times

What is the result of multiplying the numerator 7 by 5 in the conversion process?

• 25

• 35

• 40

• 30

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CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the equivalent fraction of 7/2 with a denominator of 10?

• 30/10

• 45/10

• 35/10

• 40/10

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CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Why do we multiply both the numerator and denominator by the same number?

• To change the value of the fraction

• To simplify the fraction

• To keep the fraction equivalent

• To make the fraction improper

What is the common denominator used in the conversion of both fractions?

• 5

• 2

• 10

• 7