Numbers and Operations
Equations and Inequalities
Proportionality
Linear Relationships
2D Geometry
100
-9 + (-3)
-12
100
x+8=15
x=7
100
7/8=x/28.8
x=25.6
100
What is the constant of proportionality?
A restaurant has an all-you-can-eat buffet for $12.95 per person.
k=12.95
100
The ratio of circumference to diameter
pi
200
-8.8 - 3.4
-12.2
200
x/2=9
x=18
200
Fifteen is 30% of what number?
x=50
200
If the x-values increase by 1, the y-values increase by 7. What equation would represent this?
y=7x
200
The circumference of a circle with a diameter of 20 in
C=62.80 in
300
16.8/(-4)
-4.2
300
4x-16=32
x=12
300
Michaela spent $234 preparing for a party with 18 guests. Each guest costs the same amount of money. How many guests could attend a party that cost $104 to prepare?
8 guests
300
What is one of the ways to tell the difference between proportional and non-proportional relationships?
Proportional: Goes through the origin, is in the form of y=kx, no additional fee in word problem
Non-proportional: Crosses somewhere else on the y-axis, is in the form y=mx+b, has an additional fee
300
The area of a circle with a radius of 12 in
452.16 in2
400
2 1/4 - 3 1/2
-1 1/4
400
x/4+5>6
x>4
400
At the beginning of the school year, Anderson Middle School had 480 students. At the end of the year, it had 504 students. What is the percent of change in enrollment?
5% increase
400
What is the rate of change?
k=9.5
400
The area of a circle with a diameter of 11 yd
94.985 yd2
500
1 8/9 / 1/3
5 2/3
500
-2x+6<20
x>-7
500
A sweater is marked 30% off during an end of season sale. If the sweater was originally $56.00, that is the sale price of the sweater?
$39.20
500
If y=2.5x+50, what is the value of y when x is 250?
y=675
500
The area of a circle with a circumference of 31.4 m
78.50 m2