Strategies to Divide Decimals Unit Review

Strategies to Divide Decimals

Unit 7 Test Review

Multiple Select

Which of the following equations are true? Select all that apply.

• $$36.4\ \div\ 10^2\ =\ 0.364$$

• $$29.58\ \div\ 1,000\ =\ 0.2958$$

• $$269.2\ \div\ 10^{0\ }=\ 269.2$$

• $$3.28\ \div\ 10\ =\ 32.8$$

Multiple Choice

Hank bought a new go cart for $1,469.99. He will finish paying it off after 5 months. Each month, he will pay the same amount. About how much will he pay each month?

• $100

• $200

• $300

• $400

Multiple Choice

A jug contains 2.16 gallons of juice. It says that there are 6 servings in the jug. How many gallons of juice are in each serving?

• 0.48 gallons

• 0.36 gallons

• 0.24 gallons

• 0.12 gallons

Multiple Choice

Use number sense about decimal placement to complete the equation.

$$52.32\ \div\ ?\ \ =\ 43.6$$  

• 0.12

• 1.2

• 12

Multiple Choice

Use number sense about decimal placement to complete the equation.

 $523.2\ \div\ ?\ \ =\ 4360$  

• 0.12

• 1.2

• 12

Multiple Choice

Use number sense about decimal placement to complete the equation.

$$5.232\ \div\ ?\ \ =\ 0.436$$  

• 0.12

• 1.2

• 12

Multiple Choice

Use number sense about decimal placement to complete the equation.

$$0.5232\ \div\ ?\ \ =\ 4.36$$  

• 0.12

• 1.2

• 12

Multiple Choice

Vonnie says that 468.2 x 0.01 is the same as   $$468.2\ \div\ 10^2$$  

Is she right?

• yes

• no

Open Ended

Vonnie says that 468.2 x 0.01 is the same as   $468.2\ \div\ 10^2$  

Explain why she is right.

Multiple Choice

^{A store sells baseball cards for $0.08 each. Caleb has $4.96. How many baseball cards is he able to buy?}

• 39 cards

• 62 cards

• 6 cards

• 80 cards

Multiple Choice

Which is the quotient for  $$36\ \div\ 8$$  ? 

• 0.22

• 0.45

• 4.25

• 4.5

Multiple Choice

What division problem is shown by the model?

• $$0.92\ \div\ 4\ =0.23$$

• $$0.92\ \div\ 4\ =\ 0.32$$

• $$0.83\ \div\ 4\ =\ 0.23$$

• $$4\ \div\ 0.83\ =\ 0.32$$

Let's do a multi-step problem!

Courtney can buy 12.6 ounces of shampoo from Brand A for $5.04, or she can buy 19.4 ounces of shampoo from Brand B for $6.79. Which of the following explains which is the better deal?

1: Find the cost-per-ounce of Brand A

Courtney can buy 12.6 ounces of shampoo from Brand A for $5.04, or she can buy 19.4 ounces of shampoo from Brand B for $6.79. Which of the following explains which is the better deal?

To find the cost-per-ounce of Brand A, divide $5.04 by 12.6

Multiple Choice

What is the quotient for

$$5.04\ \div\ 12.6$$  

• $0.40

• $2.50

2: Find the cost-per-ounce of Brand B

Courtney can buy 12.6 ounces of shampoo from Brand A for $5.04, or she can buy 19.4 ounces of shampoo from Brand B for $6.79. Which of the following explains which is the better deal?

To find the cost-per-ounce of Brand B, divide $6.79 by 19.4

Multiple Choice

What is the quotient for

$$6.79\ \div\ 19.4$$  ?

• 2.86

• 0.35

3: Compare your two answers:

Courtney can buy 12.6 ounces of shampoo from Brand A for $5.04, or she can buy 19.4 ounces of shampoo from Brand B for $6.79. Which of the following explains which is the better deal?

Brand A costs $0.40 cents per ounce

Brand B costs $0.35 cents per ounce

4: Subtract to find the difference in the prices

Courtney can buy 12.6 ounces of shampoo from Brand A for $5.04, or she can buy 19.4 ounces of shampoo from Brand B for $6.79. Which of the following explains which is the better deal?

Brand A costs $0.40 cents per ounce

Brand B costs $0.35 cents per ounce

0.40-0.35 = 0.05 That means Brand B is $0.05 cents-per-ounce cheaper

Multiple Choice

Courtney can buy 12.6 ounces of shampoo from Brand A for $5.04, or she can buy 19.4 ounces of shampoo from Brand B for $6.79. Which of the following explains which is the better deal?

• Brand A is the better deal, because it costs $0.07 less per ounce than Brand B

• Brand A is the better deal, because it costs $0.05 less per ounce than Brand B

• Brand B is the better deal, because it costs $0.07 less per ounce than Brand A

• Brand B is the better deal, because it costs $0.05 less per ounce than Brand A

Multiple Select

A train can travel 31 miles in 2.5 hours. If the train travels at the same speed each hour, how far will it travel in 1 hour?

Which choices show reasonable estimates to answer the question? 

(Hint: there are 2)

• $$30\ \div\ 3\ =\ 10\$$  

• $$3\ \times\ 30\ =\ 90$$  

• $$25\ \div\ 2.5\ =\ 10$$  

• $$30\ \times\ 2.5\ =\ 75$$  

Multiple Choice

A train can travel 31 miles in 2.5 hours. If the train travels at the same speed each hour, how far will it travel in 1 hour?


Divide to find the exact distance the train can travel in 1 hour.

• 8.6 miles

• 9.42 miles

• 12.4 miles

• 10.64 miles

Multiple Choice

A poster has an area of 55.2 square inches. What is the width, in inches, of the poster?

• 4.6 inches

• 3.2 inches

• 5.4 inches

• 6.8 inches