Unit 4 Decimal Review

What is the product of 3.5 (2.04)?

• 1.46

• 1.75

• 7.140

• 9.180

What is the quotient of 36.918 ÷ 8.79?

• 0.042

• 0.42

• 4.2

• 42

Mr. Gallups purchased 0.75 pounds of Gummy Bears for $3.75 per pound and 1.5 pounds of Takis for $6.00 per pound. What was the total amount Mr. Gallups spend on Gummy Bears and Takis?

• $1.18

• $11.81

• $6.19

• $25.29

A rectangle has an area of 60 centimeters and a height of 12.5. What is the base?

(Hint:) Use these answer choices to help you or divide the two numbers!

• 48 centimeters

• 480 centimeters

• 48.5 centimeters

• 4.8 centimeters

You want to mail a gift box for your best friend and the box has a volume of 75 cubic inches. The packing material costs $0.15 per cubic inch. How much will you spend on packing material? Hint: Look for KEY WORDS. Are we multiplying or dividing decimals? How do you know? Use your notes.

• $1.25

• $11.60

• $11.25

• $10.15

Which number best represents the location of point A on the number line below?

• 0.875

• 0.75

• 0.625

• 0.5

Which number line has the given points located correctly?

(Hint: Convert all your fractions to decimals to help you!)

A = 3/4, B = 0.05, C = 7/10, D = 0.45, E = 1/3

• A

• B

• C

• D

Which number is closest to 45? (Hint: Convert all your fractions and then line up your decimals to determine place value!)

• 45.6

• 45 ¼

• 45.98

• 45 ½

Order the following numbers least to greatest:

3/12 1.34 7/8 0.87 0.21

Make sure you change your fractions to decimals and then line up to determine place value!

• 0.21, 3/12, 0.87, 7/8, 1.34

• 1.34, 3/12, 0.87, 7/8, 0.21

• 1.34, 7/8, 0.87, 0.21, 3/12

• 3/12, 7/8, 0.21, 1.34, 0.87

List the plant heights in order from SHORTEST to TALLEST. (Hint: Change all into decimals FIRST, in order to help you compare.)

• E, C, B, D, A

• A, B, C, D, E

• C, E, B, A, D

• B, A, D, C, E