Algebra Review

One Step Equations

100

The inverse of addition is - 

subtraction

200

The inverse of multiplication is - 

division

300

Solve: x + 14 = 30

X = 16

400

Solve: m - 8 = -10

m = -2

500

Write an equation and solve: Nine less than a number is five

x - 9 = 5

x = 14

One Step Equations #2

100

Solve: 3x = 36

x = 12

200

Solve: v / - 2 = 12

v = -32

300

Solve: -16 = -p

p = 16

400

Solve: 6x = -30

x = -5

500

Solve: p / 4 = 36

p = 144

Two Step Equations

100

Solve: 5 + 8p = 77

p = 9

200

Solve: 6-6x = 108

x = -17

300

Solve: 3-p = -12

p = 15

400

Write an equation and solve: four less than ten times a number is one hundred twenty six

10x -4 = 126

x = 13

500

Write an equation and solve: There are 8 math classes in 7th grade. Seven are equally sized and the 8th class has 32 students. If there are a total of 221 students in the 7th grade, how many are in each of the equally sized math classes?

7x + 32 = 221

x = 27 students

Inequalities

100

Less than symbol

<

200

Greater than symbol

>

300

Open circle

means not equal to that value

400

Closed circle means - 

equal to that value

500

Draw on a number line: a number is no more than -3

X < or equal to -3

Hodge Podge

100

Solve: c/-5 + 6 < 2

c > 20

200

horizontal number line on a coordinate plane

x-axis

300

vertical number line on a coordinate plane

y-axis

400

Identify each quadrant on a coordinate plane.

II.       I

III.      IV

500

Create a function table for y = x - 5

Examples (0, -5),  (3, -2)