Addition
15 + 3 =m
m = 18
12 - 8 = x
x = 4
3 x 4 = m
m = 12
22/2 = m
m = 11
Which vocab word means... splitting into equal groups
division
20 + 30 = t
t = 50
35 - 20 = m
m = 15
20 x 30 = m
m = 600
144/12 = m
Which vocab word means..... two expressions that have equal value separated by an equal = sign
equation
a + 5 = 9
a = 4
v - 14 = 26
v = 40
5x = 45
x = 9
x/2 = 6
x = 12
Which vocab word means.... a symbol like x, used to represent and unknown number
variable
x + 18 = 29
x = 11
x - 38 = 68
x = 106
8x = 56
x = 7
x/5 = 8
x = 40
Which vocab word means.....an equation that has a symbol representing an unknown number
algebraic equation
4 + b = 13 - 2
b = 7
15 - c = 12 + 1
c = 2
12x = 108
x = 9
120/x = 12
x = 10
Which vocab word means..... opposite operations, like addition to subtraction & multiplication to division
inverse operations