Circles
Ratios
Proportions
Equations
Percents
100
What is the circumference?
The distance around a circle.
100
Skyzone sells tickets for their jump area. You buy a ticket for 4 hours and it costs $24. How much are you paying per hour to jump?
$6
100
What are the two requirements that make a graph proportional?
The graph needs to go through the origin and be a straight line.
100
x - 4 = 8
x = 12
100
80% of 45 is what?
36
200
The radius is 4 inches. What is the diameter?
What is 8 inches?
200
Mya makes 40 cakes and cuts them into slices. She is able to make 640 slices in total. How many slices can one cake make?
16 slices per cake
200
Solving Proportions
2/x=8/9
What is: x=2.25
200
-6 - 2w = 10
w = -8
200
25% of what number is 30?
120
300
The Diameter is 25 meters. What is the Radius?
What is 12.5 meters?
300
Mr. Johnson was paid $500 for a job that required 40 hours of work. At this rate, how much should he be paid for a job requiring 50 hours of work?
$625
300
What is the rate of change in the following table?
The rate of change is $10 per hour
300
7a + 9a + 4 - 10a - 1
6a + 3
300
48 is what percent of 120?
40%
400
A circle has a diameter of 3 inches. This is the circumference. Use π = 3.14.
What is 9.42 inches?
400
You paid $28.00 for 8 gallons of gasoline. How much would you pay for 15 gallons of gasoline?
You would pay $52.50
400
Explain your reasoning.
No, the rectangles are not similar because they do not have a constant of proportionality
400
-3(9b - 7) - 4
-27b + 17
400
A bag of candy contains 300 pieces of candy of which 28% are red. What percent of the candies are not red?
216 candies are not red
(72% are not red)
500
A circle has a diameter of 16 units. Find the area.
What is 200.96 units2?
500
A recycling plant processes an average of 1/3 ton of glass each minute. At approximately what rate does the recycling plant process glass in tons per day?
480 tons per day
500
Missy made a scale drawing of a neighborhood park. The scale of the drawing was 3 inches : 10 yards. The actual width of a soccer field in the park is 75 yards. How wide is the field in the drawing?
22.5 inches
500
2a + 4 > 24
Bonus 100 points: What is a possible value for a?
a > 10
Possible values for a: 11, 12, 13, 14, 30, 55
500
A tool set is on sale for $424.15. The original price of the tool set was $499.00. What percent of the original price is the sale price?
85%