Math 7 Review 1

Which expressions are equivalent to 4(9 + 3)?

• 4(12)

• 36 + 3

• 36 + 12

• 4 + (9 + 3)

• (9 + 3) + (9 + 3) + (9 + 3) + (9 + 3)

Evaluate

• 
• 
• 
• 

Solve for m:

• 180

• 90

• 45

• 18

Nancy is buying a new pair of boots. The store is having a sale and all boots are 20% off.

Choose an expression that can represent the sale price of the boots where x is the original price of the boots.

• 0.2x

• 0.8x

• 1.2x

Karen gets 3 books from her book club for $12. She creates a graph to show the relationship between the number of books and the total cost of the books. Points on the graph include (0,0), (1, 4), (2, 8), and (3, 12).

Choose the ordered pair that represents unit rate.

• (0, 0)

• (1, 4)

• (2, 8)

• (3, 12)

What is the value of x?

Write your answer in the space provided on your answer document.

• 28 degrees

• 38 degrees

• 18 degrees

• 15 degrees

In the year 2010, the population of Kingsford was 8000. By 2014 the population had increased by 15% and 2/5 of the population was age 12 or under.

How many people in Kingsford were age 12 or under in the year 2014?

• 1200

• 3200

• 3680

• 5520

Chris has $1500 in the bank and takes out 1/3 of the money. He decides to use 3/5 of the money he took from his account to pay part of a $700 debt. After he makes this payment, how much, in dollars, does he still owe?

• 500

• 400

• 300

• 700

A recipe for 1 pumpkin pie calls for 1 1/4 cups of sugar. Alaina has only 1/2 cup of sugar and she needs to make 4 pumpkin pies. How much more sugar will Alaina need to make all 4 pies?

• 5

• 6

• 4 1/2

• 8

Last month, Karmin made $480 working for 30 hours. This month, she will get a 15% increase in the amount she earns per hour. What will be her hourly rate, in dollars per hour, after the raise?

• 18.2

• 18.4

• 16

• 16.4