Vocabulary
Solving
Equations with Rational Numbers
Expressions
Mixed review
100
This type of math problem has no equal sign.
Expression
100
4x + 10 = -30
= -10
100
Simplify:
1/2(k+1)
0.5k + 0.5 OR
1/2k + 1/2
100
Simplify 2b + (-4b) - 10 + 6
-2b - 4
100
What is 50% of 125?
75
200
This type of math problem has an equal sign.
Equation
200
-x/3 + 13 = 33
x = -60
200
4.5(2x + 5.2) = 45
x=2.4
200
7(1-8n)
7-56n
200
What is 18/30 as a decimal?
.6
300
Another word for numbers used in expressions and equations
Constant
300
2(x - 15) = 50
x = 40
300
3/4b = -6
b=-8
300
(5n - 8) + (4 + 6n)
11n - 4
300
Turn 8% into a decimal
.08
400
Another word for the letters used in expressions and equations.
Variable
400
15 + 10n = 35 + 5(4 + n)
n = 8
400
-5 = 15(1/5 + w)
w= -8/15
400
(m + 8) - (3m + 4)
-2m + 4
400
What equation do we use to find the constant of proportionality, k?
k = y/x
500
What type of math uses numbers and symbols to formulate expressions and equations?
Algebra
500
5 + 15n = 20 - 5(10 - 2n)
x=-7
500
Simplify:
1/2(4c-12)+6= 10
c=5
500
1 + 5p + 2p2 - 7p + 9 - 5p2
-3p2 - 2p + 10
500
The perimeter of this shape is 31 units. Write and solve an equation for the perimeter of this shape
3x + 10 = 31
x = 7