7th grade, chapters 1-4 review

Adding and Subtracting Rational Numbers

100

Find the absolute value of -2.6

2.6

200

Find the sum of -2 + 6

4

300

Find the sum of -8/3 + 5/6

-1 5/6

400

Find -2 - 4

-6

500

Find 2.4 - 5.6

-3.2

Multiplying and Dividing Rational Numbers

100

Evaluate -5(-7)

35

200

Find the quotient -14/2

-7

300

Write the fraction as a decimal. 7/8

0.875

400

Find the product. -1/4 x (-4/3)

1/3

500

Find 6/5 divided by -4/3

-9/10

Expressions

100

Simplify 2t + 8 + 3t

5t + 8

200

Find the sum of (x-2) + (3x + 8)

4x + 6

300

Simplify the expression. 5(-x + 3y)

-5x + 15y

400

Simplify -1/2(6n + 4) + 2n

-n - 2

500

Factor 24x - 18 using the GCF.

6(4x - 3)

Equations and Inequalities

100

Solve x - 5 = -1

x = 4

200

Solve x/3 = -6

x = -18

300

Solve -5c + 9 = -16

c = 5

400

Tell whether the given value is a solution of the inequality. -15 < 5h; h = -5

no

500

Solve -12 < y - 6

-6 < y

More Equations and Inequalities

100

Solve n/3 < 1

n < 3

200

2.2m <11

m < 5

300

Solve 5x - 4 > 11

x > 3

400

Solve the inequality 4 - 3d > 19

d < -5

500

Write the word sentence as an inequality, then solve the inequality.

The product of -3 and a number p is greater than 21.

-3p > 21; p < -7