Vocabulary
Suprise Question
Find The Error
PEMDAS
Solve the Equation
100

=,+,-, (), /

Notation

100

What is the Order of Operations?

(), Exponents, *, /, +,-

100

9 - 3 x 2=12

Give correct answer and what was wrong.

100

3 + 4 x 5

23

100

x + 8 = -2

x = -10

200

variable

a symbol or letter, such as "x" or "y," that represents an unknown value

200

Simplify

3x - 2 = 6

You can't!! It's an equation.

200

5+ 1=11

Give correct answer and what was wrong.

5= 25, not 10.

200

7 + (2 x 4) - 1

14

200

2x + 5 = 23

x = 9

300

constant

A number that is not attached to a variable.

300

Name the 2 golden rules when solving equations.

Use inverse operations.

What you do to one side you do to the other.

300

32 - 6 = 0

Give correct answer and what was wrong.

32 = 9, not 6.

300

56 ÷ (4+4) + 32

16

300

5y - 26 = 49

y = 15

400

Give an example of a linear equation.

400

How Many Terms?

3x+5x* 3y - 2x

x - 15x2

400

8 - 3 x 5 = 7

the correct answer is -7.  the error was made in subtracting 8-15.

400

17+(24÷8)∙4-52

4

400

-2w + 1 = -9

w = 55

500

coefficient

A number in front of a variable

500

Give an example of an equation that has 9 solutions.

500

4 + 5 + 7 - 3 x 2 = 26

You need to follow PEMDAS and do multiplication first. The correct answer is 10.

500

60-[(16÷2)∙6]+(82÷32)

14

500

5n + 4 - 8n = -5

n = 3

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