Solving Equations Review

Order of Operations

100

(4 - 2) X 5 - 1 X 5

5

200

30 - (2 X 2) + 15

41

300

((13 X 2) + 4)/3

10

400

18 - 2 X 3(4+12/6)

-18

1 Step Equations

100

x + 5 = 15

x = 10

200

40 - x = 19

x = 21

300

x / 3 = -30

x = -90

400

3w = -150

-50

2 Step Equations

100

5x + 10 = 50

x = 8

200

2x - 30 = -30

x = 0

300

-2w + 19 = 17

w = 1

400

6x / 3 = -18

x = -9

Solving with Variables on both sides

100

x + 3 = 3x - x - 4

x = 7

200

(-6) - 4w = 3 + 5w

w = 1

300

(-2r) + 3 - 4r = (-3)(2r - 1)

All real numbers

400

7k + 10 - k = 4k + (7 X 5) + 2k 

No Solutions

Vocabulary

100

What does P.E.M.D.A.S. stand for?

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

200

What is the mathematical term for an unknown number labeled as a letter?

Variable

300

What is the difference between an expression and an equation?

Expressions are statements

Equations involve an =

400

Daily Double Bonus (First team to answer the most gets 800 points)

Name as many quadrilaterals as you can. (There are 6)

Square, Rectangle, Rhombus, Parallelogram, Kite, Trapezoid