Expressions
Vocab
1 - step
2 - step
Anything
100
Simplify 2w +3w
5w
100
How do we remember the order of operations?
PEMDAS
100
What do we use to solve equations?
Inverse Operations
100

what is -5 + 3 equal to?

-2

100
How many layers does the Earth have?
3
200
3(e + w)
3e + 3w
200
What do we call using the opposite operation?
Inverse operations
200
3w = 21
w = 7
200
What is the first step to solve this equation 2x + 7 - x = 12
Combine like terms
200
What is an adverb
A word that describes a verb
300

2e + 4 + 7e - 8

9e -4

300
What does an equation have that an expression doesn't?
Equal sign
300
e - 7 = -4
e = 3
300
3s + 1 = 16
s = 5
300
True or False: Sharks attack people on purpose, because they like human.
False
400

y+7w - 4w -y

3w

400
Define integers
Set of whole numbers and their opposites
400
2 - j = -5
j = 7
400

2(y+5) = 64

y = 27

400
In 1492 ___________ sailed the ocean blue.
Columbus
500
2 ( s + 5) - s + 4s -10
5s
500

What is multiplying each term in a sum or difference by a common factor that does not change the value of the expression called? 

ex. 2(3x+4)

Distributive property

500

x(3+4) = 35

x = 5

500

5x +3 - 2x = 21

x = 6

500
How many seconds are in a week? 60 sec. in 1 min; 60 min in an hour; 24hr in a day;
604,800 seconds
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