7th Grade Math Review

Adding/Subtracting Integers

100

-4 + (-10)

-14

200

6 + (-9) 

-3

300

5 - 9

-4

400

-2 - (-5) 

3

500

1- (-9) 

10

Multiplying/Dividing Integers

100

(-9)(-10)

90

200

12 times (-5) 

-60

300

(-21) / 7

-3

400

Write a multiplication problem whose answer is -24.

Answers Vary

500

Write a division problem whose answer is -8. 

Answers Vary

Rational Numbers

100

4/5 + (-1/5)

3/5

200

3/5 + 1/10

7/10

300

3 1/2 + 5 1/4

8 3/4 

400

8 2/3 - 1 1/6 

7 1/2 

500

5 - 3 2/3 

1 1/3

Equations and Inequalities

100

4x + 3 = 11

x = 2

200

18 = 9 + 3a

a = 3

300

4x + 8 = 11

3/4 or 0.75

400

5x - 6 = -2

4/5 or 0.8

500

-2x + 6 > 10

x < -2

Ratios and Proportions

100

Solve the proportion:  a/10 = 8/40

a = 2

200

Solve the proportion:  3/10 = x/ 15

4.5 

300

If there is a map with a scale of 2 inches = 100 miles, what is the actual size of a 3 inch figure on the map?

150 miles

400

A recipe calls for 4 tablespoons of sugar and 6 lemons.  If Sanai uses 6 tablespoons of sugar, how many lemons should she use? 

9 lemons

500

A recipe calls for 3/4 cups of butter and 1 1/2 cups of sugar.  Darius uses 1 cup of butter, how much sugar should he use? 

2 cups