7th Grade Math Review

Rational Numbers

100

1/8 + 3/16 = 

5/16

200

<,>, or = -6____-6.1

> greater

300

3 3/4 - 7/8 = 

2 7/8

400

What is the distance between -3.71 and -2.59

1.12

500

3 3/4 - 2.75 = 

1

Integers

100

-1-1=

-2

200

4(-3)=

-12

300

-4-(-8)=

4

400

-(-32/-4)=

-8

500

(-25-(-5))÷-4 = 

5

Expressions

100

Simplify the expression 4h-8h=

-4h

200

Simplify the expression 2m-m-7m=

-6m

300

Simplify the expression 10x²-y+12+1y-3x²

7x²+12

400

Simplify the expression -7(1-3d-5) 

28+21d

500

(x-1) - (3x+2) = 

-2x-3

Equations and Inequalities

100

3x +1 = 7 

x = 2

200

solve 3x=1/2

x = 1/6

300

2x -4 = 5x +8

x=-4

400

solve 3t - 4 < 8

t < 4

500

-5s > -4 +3s 

s < 1/2

Ratios and Proportions

100

x/8=12/24

x=4

200

Are these proportional? 1 to 0.4 and 9 to 3.6

Yes

300

17/4=y/6

y=25.5

400

Find the unit rate. 84 miles in 12 days

7 miles in 1 day

500

If a map scale is .5inches=10 miles and you measure 4.5 inches on the map, how many miles is that in real life?

90 miles