Math Vocab
Equations
Distributive Property
Simplify Expressions/Combine Like terms
Expressions/Evaluating Expressions
100
The numbers being multiplied together in a multiplication problem.
Ex. 2 x 2
Factors
100
6.9 + x = 8.6
x = 1.7
100
3(7x+4)=
21x + 12
100
x + y + x + b + b
2x + y + 2b
100
Write and expression:
The quotient of 200 and 40, subtracted from y.
y - (200/4)
200
Another word for the letters used in expressions and equations.
Variable
200
6x – 13 = 11
x = 4
200
3(3x -2x + 5y)
3x + 15y
200
(29x - 18x ) + 14 - 7x
4x + 14
200
Evaluate the expression:
3x + 25 when x = 5
40
300
Another word for numbers used in expressions and equations that is just a single number alone.
Constant
300
(x/2)+10 = 28
x = 36
300
2(10 + c +3d + 4) =
28 + 2c + 6d
300
a * a * a =
(* means multiply)
a3
300
m decreased by half of n
m - (n/2)
400
The number you subtract from another number.
Ex. The 2 in the following problem: 5 - 2 = 3
Subtrahend
400
4(6 + 5x) = 124
x = 5
400
30s + 6t + 54 = 6( ____ + _____ +_____)
6( 5s + _t + _9_)
400
3m - m2 - 8n + 2 + 10n + 3m2
3m + 2m2 + 2n + 2
400
Write the expression:
The difference of s and 200, multiplied by 20.
Then evaluate the expression you wrote
when s = 1,000
(s - 200) x 20
= 16,000
500
A number placed before a variable in an algebraic expression.
Coefficient
500
Write an equation for the problem and then solve:
You buy 3 books that each cost the same amount and a magazine, totaling $55.99. The magazine cost $1.99. How much does each book cost?
3b + 1.99 = 55.99
b = 18 Each book costs $18.00.
500
The perimeter of a square is 48x + 16. How long is its side?
12x + 4
500
p * p + 3(p2 + 4 - 2p)
4p2 + 12 - 6p
500
Write an expression for the following situation:
You bought m apple pies at $4 each and n pumpkin pies at $3.50 each. What was the total cost?
m * $4 + n * $3.50
$4m + $3.50n