Unit 2 - Decimals Review

Simplify: 2.6 x 8.4 - 5.4 =

• 21.3

• 16.44

• 2.32

• 7.8

Multiply: 2.5 x 3.5 x 0.01

• 0.875

• 0.6

• 0.0875

• 0.0625

Simplify: 2(2.036) – 2.268 =

• 1.804

• 2.216

• 2.232

• 1.768

Divide: 3.22 ÷ 1.4 =

• 0.023

• 0.23

• 2.3

• 23

Greg's social studies grade is based on two quizzes, two tests, and one project. The table below shows Greg's scores on these items, as well as each item's weight in determining his final grade. To determine his final grade, Greg's teacher multiplies each score by its weight, adds the products together, and then divides the sum by 10. What is Greg's final grade?

• 92.0

• 88.4

• 79.9

• 86.8

Aaron wants to buy 2 concert tickets that cost $25.50 each. Aaron's grandfather pays him $4.25 an hour to rake leaves. How many hours does Aaron have to rake leaves to earn the total cost of the tickets?

• 6

• 1.2

• 16.5

• 12

Toshi has 604 marbles and several bags. After putting an equal number of marbles into each bag, he has 16 marbles remaining. How many bags could Toshi have used for marbles?

• 21

• 25

• 31

• 37

Each bottle of juice in a cooler holds 11.2 ounces of juice. There are 6 full bottles of juice and 1 half-full bottle of juice in the cooler. How many ounces of juice are in the cooler altogether?

• 72.8

• 73

• 67.21

• 67.7

A fish tank is in the shape of a rectangular prism. The dimensions of the tank are show in the picture below. What is the volume of the tank in cubic inches?

Volume = length x width x height

• 96.77

• 15.6

• 967.68

• 156

Izara built a fence for her horses. The fence was 210 feet long. She put a fence post in the ground at the start of the fence and another post every 3.5 feet. Izara paid $8.50 for each fence post. How much did Izara pay for all of the fence posts she used?

• $765.00

• $297.50

• $518.50

• $595.00