A letter used to represent an unknown number
What is a variable?
2k + 5 = 17
What is 6 ?
3a - 5 = 4
What is 3 ?
m/5 + 4 = 12
What is 40 ?
z/6 - (-8) = 2
What is -36?
The inverse of addition
What is subtraction?
2a + 11 = 35
What is 12 ?
5m - 7 = 23
What is 6 ?
y/8 + 11 = 13
What is 16 ?
y/4 - 15 = 5
What is 80 ?
The four basic operations
What are addition, subtraction, multiplication, and division?
2r + 39 = 65
What is 13 ?
6k - 5 = 43
What is 8 ?
k/8 + 7 = -3
What is -80 ?
z/6 - 8 = -3
What is 30 ?
A number right in front of a variable
What is a coefficient?
12s + 6 = 90
What is 7 ?
4j - 71 = 29
What is 25 ?
g/11 + 12 = 13
What is 1 ?
y/9 - 8 = -2
What is 54 ?
x -(-4) = 8
What is x = 4
19b + 14 = -24
What is -2 ?
9q - 39 = -84
What is -5 ?
w/3 + 15 = -15
What is -90?
d/10 - (-3) = 15
What is 120 ?