Math 7 Review

Proportional Relationships

100

A 2-minute shower uses 6 gallons of water. How many gallons does a 1-minute shower use?

3 gallons

200

You looked at 100 Instagram posts in 5 minutes. What is the unit rate of Instagram posts per minute?

20 posts per minute

300

If you've eaten 27 corn dogs in 3 days, what is the unit rate of corndogs per day?

9 corndogs per day. 

400

DAILY DOUBLE!!!

If drive 30 miles per 2 gallons of gas, how many miles will you drive on 3 gallons of gas?

45 miles 

500

If you make $40 per hour, how much money will you make in half an hour?

$20

Percentages

100

Convert 1/2 into a percentage.

50%

200

DAILY DOUBLE!!!

What is 5% of 20?

1

300

Convert 3/4 into a percentage. 

75%

400

A pair of jeans is usually $50, but they are on sale for 20% off. What is the new price of the jeans?

$40

500

Your restaurant bill is $25 and you want to tip your server 20%. What is the TOTAL you will pay?

$30

Integers

100

(-3) x (-2) = 

6

200

-5 x 7 = 

-35

300

DAILY DOUBLE!!!

5 - 9 = 

-4

400

(-3) - (-7) = 

4

500

12 - (-4) = 

16

Solve for X

100

x + 6 = 17

x = 11

200

8x = 40

x = 5

300

5x - 10 = 20

x = 6

400

DAILY DOUBLE!!!

2x - 6 = 32

x = 19

500

3(2x - 3) = 51

x = 10

Circles and Angles

100

A circle has a radius of 1. What is the area of the circle?

3.14

200

A circle has a radius of 9. What is the area of the circle?

254.34

300

A circle has a radius of 11 inches. What is the area of the circle?

379.94

400

A circle has a diameter of 20. What is the area of the circle?

314

500

DAILY DOUBLE!!!

A circle has an AREA of 153.86. What is the RADIUS of the circle?

7