Rational/Irrational Numbers
Proportional Relationships
Circles
Expressions, Equations, and Inequalities
Probability
Scale Drawings
Percentages
100
A rational number is any number that can be written as a ________.
Fraction
100
What formula can you use to find the constant of proportionality?
y/x
100
What is the radius of a circle?
What is the diameter of a circle?
What is the circumference of a circle?
Radius: Distance from center to edge of circle
Diameter: Distance from edge to edge of a circle
Circumference: Distance around a circle
100
A group of friends ordered hot dogs (h) and pretzels (p) and then spent $15.50 on soft drinks. A hot dog and a pretzel each cost $3.90. Which of the following expressions can be used to find the total amount they spent? Select ALL that apply.
A and D
100
Robert wanted to find the most preferred newspaper among the youth in his city. Which method of sampling represents the most unbiased opinion?
a. Survey 500 people aged above 50 who read newspapers
b. Survey 1,000 people aged below 25 who read newspapers
c. Survey 500 people aged above 25 who has access to internet
d. Survey 1,000 people aged below 50 who use news apps on their smartphones
B
100
Create a new triangle with a scale of 1/2
Sides: 4.5, 5, 4
100
How do you turn a decimal into a percent?
Move the decimal point two to the right.
Example: 0.67=67%
200
A car tire loses 5.5 pounds of air pressure each day. Which of the following represents the change in the air pressure in the tire after 6 days?
a. (-5.5)(-6) = 33
b. 5.5 x 6 = 33
c. (-5.5) x 6 = -33
d. (-5.5)(-6) = -33
C
200
What is the constant of proportionality?
1.5
200
What is the formula for the area of a circle?
What is the formula for the circumference of a circle?
A=pir^2
200
Simplify:
4x+3
200
A warehouse has 1,750 music systems. Edward chooses a random sample of 35 music systems and finds that 4 are defective.
The number of music systems which are likely to be defective in the warehouse is ____.
200
200
The scale drawing shown is the design for a wooden gate.
The actual length of the wooden gate is 17 feet. What is the actual height of the gate?
8 feet
200
Laura has 160 pounds of green beans at her vegetable stand. If she sells 10 pounds of green beans every hour, what is the percent decrease in green beans after 3 hours?
18.75%
300
State whether each is true or false.
True, False, False, True
300
What is the weight of a bag of dog food? What ordered pair/point on the graph represents your answer?
How much time does it take to run 10 miles? What ordered pair/point on the graph represents your answer?
3 pounds, (1,3)
2 hours, (2,10)
300
The diameter of a circle is 20. What is the area of a circle?
314
300
The table shows the relationship between the number of scoops in an ice cream and its cost.
The equation represented by the table is _________.
y= 7/4x
300
Carol surveyed two samples of 200 people each about their favorite musical instrument and recorded them in the table below.
What percent of men and women responded that guitar is their favorite musical instrument? ____%
19%
300
The dimensions of regulation tennis courts are 27 feet by 78 feet. A coach has drawn a scale model of the courts on a whiteboard. If the shortest side of her drawing is 9 inches, how long is the other side of the drawing?
26 inches
300
8, 60
400
Which of the following results in non-terminating decimals? Select ALL that apply.
A and C
400
The graph represents the relationship between the numbers of miles Jeff hiked and the time taken to hike.
Which of the following is NOT correct?
a. Jeff hikes 6/5 miles each hour
b. It takes 10 hours to hike 12 miles
c. It takes 6/5 hours for him to hike a mile
d. Initially, Jeff does not hike any number of miles
C
400
The circumference of a circle is 12pi. What is the diameter of the circle?
12
400
Thomas earns $50 per week and $3 for each sale he makes. He wants to earn more than $100 during the Christmas week. Which of the following statements are true?
The first and last statements are true.
400
Tickets are arranged from 1 to 25 at a ticket counter. If one of the tickets is drawn at random then,
a. what is the probability that the chosen ticket is a multiple of 5?
b. what is the probability that the chosen ticket is a multiple of 6?
a. 1/5
b. 4/25
400
The dimensions of an in-ground swimming pool are 16 feet by 40 feet. A landscaper has drawn a scale model of the pool on a large piece of paper. If the longest side of her drawing is 12.5 inches, how long is the other side of the drawing?
5 inches
400
Kevin and Kenneth each earn $135 a month as salary. They earn a commission for each sale they make, and the ratio of Kevin and Kenneth's commission 3:4. If they sell products worth $610 each in March, and Kevin earns a 12% commission, how much money did each of them earn?
Kevin's Income: _________
Kenneth's Income: __________
Kevin: $208.20
Kenneth: $232.60
500
D
500
State whether each one is true or false:
1. The constant of proportionality in the equation 5y=10x is 1/2
2. The depth of the snow during a snowstorm after 3 hours is 12 cm. The depth of snow is 4cm per hour.
3. 
4. 
1. False
2. True
3. False
4. True
500
The circumference of a circle is 8pi. What is the area of the circle?
50.24
500
Which of the following are equivalent to this expression?
Select ALL that apply.
C and D
500
Brian spins a spinner which is divided into four colored sections that are of equal size: green, white, yellow, and violet. The arrow on the spinner is spun several times. The table shows the number of times the arrow landed on each of these colored sections.
The arrow on the spinner is spun one more time. Based on the observations, which of the following are true?
The first and third statements are true.
500
The scale drawing of a rectangular playground is shown below.
The actual length of the playground is 36 feet. Using the scale drawing of the rectangle, what is the actual width of the playground?
30 feet
500
The cost of a meal was $25 with a discount of $2. If the total bill includes a 7% sales tax and a 15% tip, what is the discount percent?
After the discount, what is the total bill including the tax and tip?
8%, $28.30 or $28.06