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Vocabulary
Addition
Subtraction
Multiplication
Division
100
What do equations have that expressions don't?
equal signs
100
Solve and Check. a + 6 = 10
a=4
100
Solve and Check. f - 5 = 3
f=8
100
5k=25
k=5
100
Solve and Check. r / 3 = 4 (Remember you write division as a fraction)
r=12
200
What are letters called in algebra?
variables
200
Solve and Check. b + 8 = 22
b=14
200
Solve and Check. g - 4 = 7
g=11
200
3m=27
m=9
200
Solve and Check. s / 2 = 5 (Remember you write division as a fraction)
s=10
300
What operation does it mean when the number and letter are squished together?
multiplication
300
Solve and Check. 10 = c + 2
8=c
300
Solve and Check. 9 = h - 2
11=h
300
21=7n
3=n
300
Solve and Check. t / 5 = 6 (Remember you write division as a fraction)
t=30
400
Do you solve or evaluate equations?
Solve
400
Solve and Check. 7 + f = 10
f=3
400
Solve and Check. 5 = i - 5
10=i
400
2p=44
p=22
400
Solve and Check. u / 2 = 10 (Remember you write division as a fraction)
u=20
500
How do you show division in equations?
The fraction bar
500
Solve and Check. 3 = e + 1
2=e
500
Solve and Check. j - 16 = 23
j=39
500
16=8q
2=q
500
Solve and Check. 8 = v / 4 (Remember you write division as a fraction)
32=v