Operations
What operation is used to find a total?
addition/add
+ 7
- 7
x + 7 = 20
x = 13
4x = 32
x = 8
What is the inverse of multiplication?
division/divide
What operation is used to find the difference?
Subtraction/subtract/minus
- 15
+ 15
x + 12 = 25
x = 13
-7x = 35
x = -5
What is the inverse of squaring a number?
square root
What operation is used to find the product?
multiplication/multiply
times 9
divide by 9
x = 30
x/9 = 4
x = 36
x/-9 = 7
x = -63
What operation is used to find the quotient?
division/divide
divide by -4
multiply by -4
-7 + x = 10
x = 17
x/-5 = 7
x = -35
8x = -72
x = -9
What operation is used to find the number times itself?
powers/square
divide by -3
multiply by -3
-15 + x = 12
x = 27
x/-8 = 6
x = -48
2x + 7 = 43
x = 18