Math Vocabulary
Adding and Subtracting Rational Numbers
Multiplying and Dividing Rational Numbers
Distribute
Combine Like Terms
Learning Equations
Do you know your Math Teachers?
100
What do we call letters in an expression/equation?
ex) 2x + 3y
Variables
100
-12+12
0
100
-(3/4)(2/3)
-6/12
100
-2(2x - 4)
-4x + 8
100
-12y + 4y
-8y
100
Solve for x.
x-3=6
x = 9
100
How many siblings does Mr. Vazquez Have?
Four brothers.
200
What do we call A single number, variable, or product of numbers and variables, separated by addition or subtraction?
ex) 
TERMS
200
0-25
-25
200
Simplify.
(3/6)(-3)
-3/2
200
Distribute and Simplify.
-6(4x-5)
-24x+30
200
6 - 7n - 2n
6 - 9n
200
Solve for x.
x-6=-9
x = -3
200
How many pets does Mr. Cazares have?
Two dogs.
300
What do we call a math operation that reverses the effects of another operation.
inverse operation
300
-75+38
-37
300
(-52.6)(-12)
631.2
300
Distribute and Simplify.
1/2(-x+12)
-1/2x+6
300
-2x - 8 - 7x + 2
-9x - 6
300
Solve for x.
2x=-30
x = -15
300
How many children does Mr. Cazares have?
One child.
400
What do we call the number in front of a variable?
Example: 6x
Coefficient
400
-1/2+2/5
-1/10
400
Simplify.
( -2 2/5)(2/3)
-24/15
400
Distribute and Simplify.
2/6(-1/3x-1/2)
-1/9x-1/6
400
Combine like terms and Simplify.
1/6x+2-1/3x-15
-1/6x-13
400
Solve for x.
3x-5=-5
x = 0
400
What did Mr. Vazquez dress up for Halloween last year (not to school)?
Oompa Loompa 
500
What do we call a number that has no variable?
Example: what do we call the "6" in this expression 4x+6?
A constant
500
-54.3-23.5
-77.8
500
- 6/5
500
-12.5(a + 10 - 2b)
-12.5a - 125 + 25b
500
Solve.
12x+4x^2-2x+9-8x^2
-4x^2+10x+9
500
Solve for x.
x/(3) -12=18
x = 90
500
What is the furthers Mr. Vazquez has ran for a competition/race?
A half marathon - 13.1 miles! 