**Go Math Grade 4 Answer Key Homework FL Chapter 8 Multiply Fractions by Whole Numbers Review/Test:** Apply and extend previous understandings of multiplication to multiply by a fraction by a whole number. The main aim of the Go Math Answer Key is to make the students understand the concept of Multiply Fractions by Whole Numbers. Download Go Math Grade 4 Answer Key Chapter 8 Multiply Fractions by Whole Numbers Review/Test to test your math skills.

## Go Math Grade 4 Answer Key Homework FL Chapter 8 Multiply Fractions by Whole Numbers Review/Test

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- Review/Test – Page No. 337
- Review/Test – Page No. 338
- Review/Test – Page No. 339
- Review/Test – Page No. 340

### Review/Test – Page No. 337

**Choose the best term from the box.**

Question 1.

A ________ can name part of a whole or part of a group.

________

Answer: Fraction

A fraction can name part of a whole or part of a group.

Question 2.

A ______________ of a number is the product of the number and a counting number.

________

Answer: Multiple

A mutiple of a number is the product of the number and a counting number.

**List the next four multiples of the unit fraction.**

Question 3.

\(\frac{1}{8}\),

Type below:

________

Answer: 1/8, 2/8, 3/8, 4/8, 5/8

Explanation:

The next four multiples of the unit fraction \(\frac{1}{8}\) are 1/8, 2/8, 3/8, 4/8, 5/8

Question 4.

\(\frac{1}{4}\),

Type below:

________

Answer: 2/4, 3/4, 4/4, 5/4

Explanation:

The next four multiples of the unit fraction \(\frac{1}{4}\) are 2/4, 3/4, 4/4, 5/4.

**Write the fraction as a product of a whole number and a unit fraction.**

Question 5.

\(\frac{7}{12}\)

Type below:

________

Answer: 7, 1/12

Explanation:

Given the fraction \(\frac{7}{12}\)

The whole number is 7 and the unit fraction is \(\frac{1}{12}\).

Question 6.

\(\frac{4}{12}\)

Type below:

________

Answer: 4, 1/12

Explanation:

Given the fraction \(\frac{4}{12}\)

The whole number is 4 and the unit fraction is \(\frac{1}{12}\).

Question 7.

\(\frac{5}{4}\)

Type below:

________

Answer: 5, 1/4

Explanation:

Given the fraction \(\frac{5}{4}\)

The whole number is 5 and the unit fraction is \(\frac{1}{4}\).

Question 8.

\(\frac{3}{10}\),

Type below:

________

Answer: 3, 1/10

Explanation:

Given the fraction \(\frac{3}{10}\)

The whole number is 3 and the unit fraction is \(\frac{1}{10}\).

Question 9.

\(\frac{2}{3}\),

Type below:

________

Answer: 2, 1/3

Explanation:

Given the fraction \(\frac{2}{3}\)

The whole number is 2 and the unit fraction is \(\frac{1}{3}\).

**Write the product as the product of a whole number and a unit fraction.**

Question 10.

3 Ã— \(\frac{2}{4}\),

Type below:

________

Answer: 6, \(\frac{1}{4}\)

Explanation:

Given the fraction 3 Ã— \(\frac{2}{4}\)

3 Ã— \(\frac{2}{4}\) = \(\frac{6}{4}\)

The whole number is 6, and the unit fraction is \(\frac{1}{4}\)

Question 11.

2 Ã— \(\frac{3}{5}\),

Type below:

________

Answer: 6, 1/5

Explanation:

Given the fraction 2 Ã— \(\frac{3}{5}\),

\(\frac{6}{5}\)

The whole number is 6, and the unit fraction is \(\frac{1}{5}\)

Question 12.

4 Ã— \(\frac{2}{3}\),

Type below:

________

Answer: 8, 1/3

Explanation:

Given the fraction 4 Ã— \(\frac{2}{3}\),

= \(\frac{8}{3}\)

The whole number is 8, and the unit fraction is \(\frac{1}{3}\)

**Multiply.**

Question 13.

5 Ã— \(\frac{7}{10}\) = \(\frac{â–¡}{â–¡}\)

Answer: 35/10

Explanation:

5 Ã— \(\frac{7}{10}\)

Multiply the whole number with the numerator of the fraction.

= \(\frac{35}{10}\)

5 Ã— \(\frac{7}{10}\) = \(\frac{35}{10}\)

Question 14.

4 Ã— \(\frac{3}{4}\) = \(\frac{â–¡}{â–¡}\)

Answer: 3

Explanation:

4 Ã— \(\frac{3}{4}\)

Multiply the whole number with the numerator of the fraction.

4 Ã— \(\frac{3}{4}\) = \(\frac{12}{4}\) = 3

Question 15.

3 Ã— \(\frac{8}{12}\) = \(\frac{â–¡}{â–¡}\)

Answer: 2

Explanation:

3 Ã— \(\frac{8}{12}\)

Multiply the whole number with the numerator of the fraction.

\(\frac{24}{12}\) = 2

**Multiply. Write the product as a mixed number.**

Question 16.

3 Ã— 1 \(\frac{1}{8}\) = ______ \(\frac{â–¡}{â–¡}\)

Answer: 3 \(\frac{3}{8}\)

Explanation:

3 Ã— 1 \(\frac{1}{8}\)

Convert from mixed fraction to the improper fraction.

1 \(\frac{1}{8}\) = \(\frac{9}{8}\)

3 Ã— \(\frac{9}{8}\) = \(\frac{27}{8}\)

= 3 \(\frac{3}{8}\)

Question 17.

2 Ã— 2 \(\frac{1}{5}\) = ______ \(\frac{â–¡}{â–¡}\)

Answer: 4 \(\frac{2}{5}\)

Explanation:

2 Ã— 2 \(\frac{1}{5}\)

Convert from mixed fraction to the improper fraction.

2 Ã— \(\frac{11}{5}\)

= \(\frac{22}{5}\)

= 4 \(\frac{2}{5}\)

2 Ã— 2 \(\frac{1}{5}\) = 4 \(\frac{2}{5}\)

Question 18.

8 Ã— 1 \(\frac{3}{5}\) = _______ \(\frac{â–¡}{â–¡}\)

Answer: 64/5

Explanation:

8 Ã— 1 \(\frac{3}{5}\)

Convert from mixed fraction to the improper fraction.

8 Ã— 1 \(\frac{3}{5}\) = 8 Ã— \(\frac{8}{5}\)

= \(\frac{64}{5}\)

Convert from improper fraction to the mixed fraction.

\(\frac{64}{5}\) = 12 \(\frac{4}{5}\)

8 Ã— 1 \(\frac{3}{5}\) = 12 \(\frac{4}{5}\)

### Review/Test – Page No. 338

**Fill in the bubble completely to show your answer.**

Question 19.

Bryson has soccer practice for 2 \(\frac{1}{4}\) hours 2 times a week. How much time does Bryson spend at soccer practice in 1 week?

Options:

a. 2 hours

b. 4 hours

c. 4 \(\frac{2}{4}\) hours

d. 8 \(\frac{2}{4}\) hours

Answer: 4 \(\frac{2}{4}\) hours

Explanation:

Given,

Bryson has soccer practice for 2 \(\frac{1}{4}\) hours 2 times a week.

2 \(\frac{1}{4}\) Ã— 2

= 4 \(\frac{2}{4}\) hours

Bryson spend 4 \(\frac{2}{4}\) hours at soccer practice in 1 week.

Thus the correct answer is option c.

Question 20.

Nigel cut a loaf of bread into 12 equal slices. His family ate some of the bread and now \(\frac{5}{12}\) is left. Nigel wants to put each of the leftover slices in its own bag. How many bags does Nigel need?

Options:

a. 5

b. 7

c. 12

d. 17

Answer: 5

Explanation:

Given,

Nigel cut a loaf of bread into 12 equal slices.

His family ate some of the bread and now \(\frac{5}{12}\) is left.

Nigel wants to put each of the leftover slices in its own bag.

\(\frac{5}{12}\) Ã— 12 = 5

Therefore Nigel needs 5 bags.

Thus the correct answer is option a.

Question 21.

Micala made a list of some multiples of \(\frac{3}{5}\). Which could be Micalaâ€™s list?

Options:

a. \(\frac{3}{5}, \frac{9}{5}, \frac{12}{5}, \frac{19}{5}\)

b. \(\frac{3}{5}, \frac{6}{10}, \frac{9}{15}, \frac{12}{20}\)

c. \(\frac{1}{5}, \frac{3}{5}, \frac{6}{5}, \frac{9}{5}\)

d. \(\frac{3}{5}, \frac{6}{5}, \frac{9}{5}, \frac{12}{5}\)

Answer: \(\frac{3}{5}, \frac{6}{10}, \frac{9}{15}, \frac{12}{20}\)

Explanation:

The next multiples of \(\frac{3}{5}\) is \(\frac{3}{5}, \frac{6}{10}, \frac{9}{15}, \frac{12}{20}\).

Thus the correct answer is option b.

Question 22.

Lincoln spent 1 \(\frac{1}{4}\) hours reading a book. Phoebe spent 3 times as much time as Lincoln reading a book. How much time did Phoebe spend reading?

Options:

a. 1 \(\frac{1}{16}\) hours

b. 3 \(\frac{1}{4}\) hours

c. 3 \(\frac{3}{4}\) hours

d. 4 \(\frac{1}{4}\) hours

Answer: 3 \(\frac{3}{4}\) hours

Explanation:

Given,

Lincoln spent 1 \(\frac{1}{4}\) hours reading a book.

Phoebe spent 3 times as much time as Lincoln reading a book.

1 \(\frac{1}{4}\) Ã— 3

\(\frac{5}{4}\) Ã— 3 = \(\frac{15}{4}\)

Convert from improper fraction to the mixed fraction.

\(\frac{15}{4}\) = 3 \(\frac{3}{4}\) hours

Phoebe spent 3 \(\frac{3}{4}\) hours for reading.

Thus the correct answer is option c.

### Review/Test – Page No. 339

**Fill in the bubble completely to show your answer.**

Question 23.

Griffin used a number line to write the multiples of \(\frac{3}{8}\). Which multiple on the number line shows the product 2 Ã— \(\frac{3}{8}\)?

Options:

a. \(\frac{2}{8}\)

b. \(\frac{3}{8}\)

c. \(\frac{6}{8}\)

d. \(\frac{9}{8}\)

Answer: \(\frac{9}{8}\)

Explanation:

Given,

Griffin used a number line to write the multiples of \(\frac{3}{8}\).

The multiples of \(\frac{3}{8}\) is \(\frac{6}{8}\), \(\frac{9}{8}\)

3 Ã— \(\frac{3}{8}\) = \(\frac{9}{8}\)

Thus the correct answer is option d.

Question 24.

Serenaâ€™s rabbit weighs 3 \(\frac{1}{2}\) pounds. Jarodâ€™s rabbit weighs 3 times as much as Serenaâ€™s rabbit. How much does Jarodâ€™s rabbit weigh?

Options:

a. 3 \(\frac{1}{6}\) pounds

b. 7 \(\frac{1}{6}\) pounds

c. 9 \(\frac{1}{2}\) pounds

d. 10 \(\frac{1}{2}\) pounds

Answer: 10 \(\frac{1}{2}\) pounds

Explanation:

Given,

Serenaâ€™s rabbit weighs 3 \(\frac{1}{2}\) pounds.

Jarodâ€™s rabbit weighs 3 times as much as Serenaâ€™s rabbit.

3 \(\frac{1}{2}\) = \(\frac{7}{2}\)

\(\frac{7}{2}\) Ã— 3 = \(\frac{21}{2}\)

Convert from improper fraction to the mixed fraction.

\(\frac{21}{2}\) = 10 \(\frac{1}{2}\) pounds

Thus the correct answer is option d.

Question 25.

Jacadi is setting up a tent. Each section of a tent pole is \(\frac{2}{3}\) yard long. She needs 4 sections to make 1 pole. How long is 1 tent pole?

Options:

a. \(\frac{12}{3}\) yards

b. \(\frac{8}{3}\) yards

c. 8 yards

d. \(\frac{4}{3}\) yards

Answer: \(\frac{12}{3}\) yards

Explanation:

Given,

Jacadi is setting up a tent. Each section of a tent pole is \(\frac{2}{3}\) yard long. She needs 4 sections to make 1 pole.

\(\frac{2}{3}\) Ã— 4 = \(\frac{12}{3}\)

Thus the correct answer is option a.

### Review/Test – Page No. 340

Question 26.

Oliver has music lessons Monday, Wednesday, and Friday. Each lesson is \(\frac{3}{4}\) hour. Oliver says he will have lessons for 2 \(\frac{1}{2}\) hours this week. Do you agree or disagree? Explain your reasoning.

________

Answer: Oliver is incorrect because if he were correct he would learn for 2 hours and \(\frac{1}{2}\) minutes because, \(\frac{3}{4}\) Ã— 3 = 3 \(\frac{1}{2}\) hours.

Question 27.

The common snapping turtle is a freshwater turtle. It can grow to about 1 \(\frac{1}{6}\) feet long. The leatherback sea turtle is the largest of all sea turtles. The average length of a leatherback is about 5 times as long as a common snapping turtle.

A. Draw a diagram to compare the lengths of the turtles. Then write an equation to find the length of a leatherback. Explain how the diagram helps you write the equation.

Type below:

________

Answer: 1 \(\frac{1}{6}\)x

Question 27.

B. About how long is the leatherback sea turtle?

______ \(\frac{â–¡}{â–¡}\) feet

Answer: 5 \(\frac{5}{6}\) feet

Explanation:

1 \(\frac{1}{6}\) Ã— 5

Convert from mixed fraction to the improper fraction.

1 \(\frac{1}{6}\) = \(\frac{7}{6}\)

\(\frac{7}{6}\) Ã— 5 = 5 \(\frac{5}{6}\) feet

Question 27.

A loggerhead sea turtle is about 3 times as long as the common snapping turtle. How long is the loggerhead? Explain your answer.

______ \(\frac{â–¡}{â–¡}\) feet

Answer: 3 \(\frac{3}{6}\) feet

Explanation:

Given,

A loggerhead sea turtle is about 3 times as long as the common snapping turtle.

1 \(\frac{1}{6}\) Ã— 3

Convert from mixed fraction to the improper fraction.

1 \(\frac{1}{6}\) = \(\frac{7}{6}\)

\(\frac{7}{6}\) Ã— 3 = 3 \(\frac{3}{6}\) feet

*Conclusion:Â *

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