Unit 3 and 4 Review

Gross income can be found by

• Subtracting deductions from what you earn

• Multiplying your hours worked by hourly rate

• Dividing your deductions by what you earn

• Adding your hours worked and hourly rate

Tanisha placed several bags of candies on a scale during a candy store inventory check.

The first bag weighed 0.75 kilograms.

The second bag weighed 0.28 kilograms.

The third bag weighed 0.63 kilograms.

What is the best estimate of the difference between the combined weight of the first two bags and the weight of the third bag?

• 0.4 kg, because 0.7 + 0.3 = 1.0 and 1.0 - 0.6 = 0.4

• 0.5 kg, because 0.8 + 0.3 = 1.1 and 1.1 -0.6 = 0.5

• 0.3 kg, because 0.7 + 0.2 = 0.9 and 0.9 -0.6 = 0.6

• 0.4 kg, because 0.8 + 0.2 = 1.0 and 1.0 - 0.6 = 0.4

Sarah earns $1,500 per month from her job. She pays $800 in rent, $200 on groceries, $100 on utilities, $150 on transportation, and $50 on entertainment. After covering all her expenses, Sarah wants to save some money each month. Which of the following statements is true?

• Sarah can save $200 per month.

• Sarah can save $350 per month.

• Sarah cannot save any money.

• Sarah can save $500 per month.

A scientist rounded the mass of a piece of copper to the nearest hundredth of an ounce. Their result was 4.82 ounces. Which of these could not be the mass of this piece of copper?

• 4.815 ounces

• 4.816 ounces

• 4.828 ounces

• 4.824 ounces

Tom had a jar of coins. The jar originally contained $75. On day 1, Tom spent $18.25 on lunch. On day 2, he bought a book for $27.50. How much money was left in the jar after those two days?

• $45.75

• $29.25

• $14.75

• $32.25

Mrs. Choudhury wrote the number below on a piece of paper. (4 × 100) + (7 × 10) + (3 × 0.1) + (6 × 0.01) Which shows this number in standard form?

• 470.36

• 4,736

• 473.6

• 47.36

Mr. Smith filled 4 containers with water. He poured 15.3 liters of water into the first container, 8.7 liters into the second container, 12.45 liters into the third container, and 5.9 liters into the fourth container. How many liters of water did he pour into the 4 containers?

• 42.35 liters

• 44.45 liters

• 42.25 liters

• 45.25 liters

What is the accurate definition of property tax?

• Tax paid on the value of a person's income.

• Tax paid on the value of goods purchased.

• Tax paid on a house or land

• Tax paid on the value of services received.

Which number shows 89.376 rounded to the nearest hundredth?

• 89.37

• 89.38

• 89.4

• 89.3

Camila made a table to budget her money for the next 4 months.

Based on the information in the table, what is the best way for Lucy to balance her budget for April?

• Eliminate savings in April

• Reduce her expenses in April.

• Ask her parents for more money

• Apply for a loan in April