7th Math Semester 1 Review

Proportional Relationships

100

A 6-ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10-ounce package?

75

200

A grading machine can grade 96 multiple choice tests in 2 minutes. If a teacher has 300 multiple choice tests to grade, predict the number of minutes it will take the machine to grade the tests.

6.25

300

Of the 50 students in the cafeteria, 7 have red hair. If there are 750 students in the school, predict the number of students who have red hair.

105

400

Mrs. Jameson paid $202.50 for a group of 9 students to visit an amusement park, what was the cost per student?

22.5

500

One month, Miko bough two books at a used book store for a total of $2. Over the next few months, she bought four books for a total of $5, six books for a total of $7, and eight books for a total of $10. Is the cost proportional to the number of books purchased? Why or why not?

No, the ratios are as follows, 2/2, 5/4, 7/6, and 10/8, those are not all equivalent. 

Percent Problems

100

An ice cream shop had 316 customers the first weekend it opened. The second weekend it had 152 more customers. What is the percent of increase in the number of customers?

48%

200

The wholesale cost of a pair of sandals at a shoe store is $22.60. The markup for the sandals is 45%. What is the selling price of the sandals?

32.77

300

Julia wants to purchase a pair of headphones that are on sale for $42.79. The sales tax rate in her county is 6%. How much sales tax will Julia pay on her purchase?

2.57

400

Rebecca's savings account pays a simple annual interest rate of 2.5%. Suppose she deposits $4,280 in the account and makes no additional deposits or withdrawals for 4 years. What will the total value of the account be after 4 years?

4,708

500

Manny is a realtor and earns 3% commission on the sale of a house. If the house sells for $155,000, how much commission would he earn?

4,650

Operations with Integers and Rational Numbers

100

Find the sum of 28 + (-15) + 22

35

200

Find ab²c if a = -3, b = -2, and c = 6

-72

300

Evaluate -7/8 times -3.5

3 and 1/16

400

Find -11/12 divided by (-2/3)

1 and 3/8

500

Evaluate a + b + cd if a = 7/8, b = -7/16, c = 0.8, and d = 1/4

0.6375 or 51/80

Exponents

100

Evaluate 4⁰

1

200

Evaluate 2⁴ x 3² x 5³

18,000

300

Simplify this expression (-3m²)(-5m⁷)

15m⁹

400

Evaluate (d⁷)⁴

d²⁸

500

Evaluate w^-7 x w³

1/w⁴

Random Trivia

100

What is the freezing point of water in Fahrenheit?

32 degrees

200

What is Iron Man's real name?

Tony Stark

300

Which mammal can fly? 

A bat

400

What is a baby kangaroo called? 

A Joey

500

What is the longest river in the world?

The Nile