Lesson 13 Equivalent Fractions

Which model shows a fraction equivalent to 1/3?

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1/4 is equivalent to 2/8 because 2/8 has 2 times as many shaded parts and 2 times as many equal parts as 1/4.

• True

• False

1/3 is equivalent to 2/8 because 2/8 has 2 times as many parts shaded and 2 more equal parts than 1/3.

• True

• False

1/5 is equivalent to 1/4 because both of these have one shaded part.

• True

• False

2/3 is equivalent to 2/5 because 2/5 has 2+3=5 equal parts.

• True

• False

2/5 = ?/10

This model shows 40/100. Which statement explains how many parts would be shaded if there were only ten equal parts?

• There would be 2 parts shaded because the numerator and denominator in 40/100 could be divided by 20.

• There would be 4 parts shaded because the numerator in 60/100 could be divided by 15 and the denominator could be divided by 25.

• There would be 4 parts shaded because the numerator and denominator in 40/100 could be divided by 10.

• There would be 10 parts shaded because the numerator in 40/100 could be divided by 4 and the denominator could be divided by 10.

Which statements correctly describe how to find an equivalent fraction for 40/100?

• Multiply 40 by a number and divide 100 by the same number.

• Add the same number to 40 and 100.

• Subtract the same number from 40 and 100.

• Multiply 40 and 100 by the same number.

• Divide 40 and 100 by the same number.