Miscellaneous
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 60?
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/9 - 15 = 5
What is 180 ?
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 + 21 = 97
What is 608 ?
z/6 - 14 = 3
What is 102 ?
What is the inverse of multiplication
What is division
12s + 27 = 171
What is 12 ?
4j - 71 = 29
What is 25 ?
J/11 + 7 = 128
What is 1,331?
y/9 - 18 = 52
What is 630 ?
What is the rule for equal signs when solving equations
What you do to one side you must do to the other.
19b + 314 = 1663
What is 71 ?
21x - 39 = 234
What is 13 ?
w/7 + 596 = 1,639
What is 7,301
d/10 - 13 = 64
What is 770 ?