Show:
Prefixes
Integers
Math Vocabulary
Equations
Use your words
100
The prefix "pre" means...
before
100
-5 + 4
-1
100
What does "sum" mean?
to add; addition; the answer to an addition problem
100
x + 4 = 10
x = 6
100
How do you say... x - 3 = 8
A variable minus three is eight.
200
The prefix "re" means...
to do again
200
-4 + 5
1
200
What does "+" mean?
positive; add; addition; sum
200
x - 3 = 2
x = 5
200
How do you say... x + 4 = 10
A variable plus four is ten.
300
The prefix "un" means...
not
300
5 - (-4)
9
300
What does " - " mean?
negative; subtract; minus
300
x + 4 = -2
x = -6
300
How do you say... 2x - 1 = 7
Two times a variable minus one is seven.
400
The prefix "dis" means...
not or opposite of
400
-5 - 4
-9
400
What does "x" mean in an equation?
variable
400
x - 5 = -3
x = 2
400
How do you say... 9x + 6 = 12
Nine times a variable plus 6 is twelve.
500
The prefix "anti" means...
against
500
-5 - (-4)
-1
500
What operation is this: 8x ?
multiplication
500
x - 9 = -12
x = -3
500
-8x + 5 = -20
Negative eight times a variable plus 5 is negative twenty.