Math Unit 3 Review (5.3A, 5.3B, 5.3E, 5.4A, 5.4B)

Paula wants to buy 3 shirts and 2 belts. The shirts cost $16.89 each, and the belts cost $8.97 each. Paula has $45.

Which of these amounts is the best estimate of how much more money Paula needs in order to buy the shirts and belts?

• $16

• $10

• $24

• $5

Shane spent $15.45 on a shirt, $21.99 on a pair of pants, and $12.15 on a hat. Which is the best estimate for the amount of money in dollars Shane spent?

• $40

• $50

• $70

• $60

Last month a flower shop employee ordered 48 cases of roses. There were 144 roses in each case.

How many roses did this employee order?

• 5,482

• 1,728

• 6,912

• 4,844

The list shows the length of a day on two different planets.

- Neptune: 16.11 hours

- Venus: 5.832.40 hours

Which statement is best supported by this information?

• A day on Venus is about 40 times as long as a day on Neptune.

• A day on Venus is about 400 times as long as a day on Neptune.

• A day on Venus is about 50 times as long as a day on Neptune.

• A day on Venus is about 500 times as long as a day on Neptune.

Jonathan and Elizabeth are comparing the masses of their rocks.

- Jonathan's rock has a mass of 0.2 kilogram.

- Elizabeth's rock has a mass 8 times the mass of Jonathan's rock.

What is the mass of Elizabeth's rock in kilograms?

Aspen added 14 to the product of 224 and 16. What is the sum?

• 3,478

• 3,598

• 3,808

• 3,584

Dion ran 3.75 kilometers each day to prepare for a race. What was the number of kilometers that Dion ran during 28 days?

• 10.5 km

• 105 km

• 1,875 km

• 18.75 km

Brenda said that the number 2 is prime because it has only two factors. Carla said that the number 2 is composite because it is even, and all even numbers are composite. Who is correct?

• Brenda is correct.

• Carla is correct.

• Both of them are correct.

• Neither of them is correct.

A company makes 625 cell phone cases each day. How many cell phone cases does the company make in 31 days?

• 18,375

• 1,490

• 2,500

• 19,375

Mr. Nolan paid $36.95 for each adult shirt and $23.95 for each youth shirt he bought. Mr. Nolan bought 2 adult shirts and 5 youth shirts. How much money did he spend on these shirts?

• $167.35

• $258.65

• $232.65

• $193.65