Teacher Swap Review

Writing Equations

100

Write the verbal phrase. Use the variable n.

A number added to -7

-7 + n   

200

Write the verbal phrase.  Use n as the variable.

1/3  of a number

(1/3)n

300

Write the verbal phrase.  Use n as the variable.

-50 decreased by a number

-50 - n

400

Write the verbal phrase.  Use n as the variable.

The quotient of a number plus 6 and 3

(n + 6)/3

500

Write the verbal phrase.  Use n as the variable.

4 added to the square of a number

n² + 4

Simplifying Expressions

100

Simplify the expression.

3a + 9 - a

2a + 9

200

Simplify the expression.

4k - 10 + 7 - 7k

-3k - 3

300

Simplify the expression.

-p + 3 + 2.4p - 2p

- 0.6p + 3

400

Simplify the expression.

5 (z + 2) - 8

5z + 2

500

Simplify the expression.

5a - 2(2 + b) + 3b

5a + b - 4

Solving 1 Step Equations

100

Solve the equation.

x - 3 = 2

x = 5

200

-7 = b - (-7)

b = -14

300

Solve the equation.

(-5/7)y = 5

y = -7

400

Solve the equation.

(c/14) = -11

c = -154

500

Solve the equation.

-0.7 = (z/3)

z = -2.1

Solving 2 Step Equations

100

Solve the equation.

9y + 4 = -14

y = -2

200

Solve the equation.

(e/9) - 3 = 3

e = 54

300

-77 = -t + 55

t = 132

400

3r + 6 - 9r = 24

r = -3

500

Solve the equation.

(-2/3)s -1 = 5/6

s = -2  3/4 

Solving Inequalities

100

Solve the inequality.

r - 17 < -21

r < -4

200

Solve the inequality.

19 + e > 41

e > 22

300

Solve the inequality.

-27n < -108

n > 4

400

Solve the inequality.

(x/3) < -4

x < -12

500

Solve the inequality.

-7 - 4x < 9

x > -4