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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 determines the order of operations when we solve equations
PEMDAS backwards
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
-5e -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+3w -4w -y
-w
400
Define integers
Set of whole numbers and their opposites
400
2 - j = -5
j = 7
400
2(y+5) = -64
y = -37
400
In 1492 ___________ sailed the ocean blue.
Columbus
500
2 ( s + 5) - s + 4s -10
5s
500
In 6th grade, you learned about a type of [problem that states two quantities are NOT equal. What is that called?
inequality
500
x(3+4) = -35
x = -5
500
x + 3 - 2x = 21
x = -18
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