Probability
What is the probability of rolling a 2 on a six-sided dice?
1/6
A recipe calls for 2 cups of flour to make 1 dozen cookies. If you want to make 5 dozen cookies, how many cups of flour do you need?
10 cups
The distance around a circle is called what?
Circumference
What percentage is equivalent (means the same) to the fraction 1/4?
25%
Solve for x. x + 7 = 10
x=3
What is the probability of rolling a even number on a standard six-sided die?
3/6 or 1/2 or 50%
If it costs $26 to rent a boat for 2 hours, what is the constant of proportionality (the hourly rate) to rent the boat? (How much does it cost per hour?)
$13
What is the name of a straight line that passes through the center of a circle and where the endpoints lie on the circle?
Diameter
30 is what percentage of 60?
50%
What is -3 x 4?
-12
Which is more likely to happen?
a. Flipping a coin and getting tails
b. Rolling a 7 on a standard dice
c. Pulling a blue cube out of a bag with 4 blue and 6 red
a. flipping a coin and getting tails
A map has a scale of 1 inch = 50 miles. If two cities are 4 inches apart on the map, what is the actual distance in miles between the two cities?
200 miles
If the radius of a circle is 4 centimeters, what is its diameter in centimeters?
8 cm
A basketball player made 75% of her 20 free throw attempts. How many free throws did she make?
15 free throws
What kind of triangle has a 90 degree angle?
Right Triangles
In a classroom of 25 students, 10 have brown eyes. What fraction represents the probability that a randomly chosen student has brown eyes?
10/25 or 2/5
Sarah earns $12 per hour at her part-time job. How much will she make if she works a 5 hour shift?
$60
What is the approximate value of pi? (We often use this in calculations involving circles).
3.14
If 80% of a class of 30 students brought their permission slips, how many students still need to bring their permission slips?
6 students
What is the median of the following data set: 5, 8, 3, 8, 6?
6
You have a bag with 2 green, 3 yellow, and 5 red candies. What fraction represents the probability of picking a yellow candy?
3/10
A table shows the relationship between the number of books bought and the total cost. If 5 books cost $30 and 8 books cost $48, explain whether or not this relationship is proportional and why.
48/8 = $6
A circular garden has a diameter of 10 feet. What is the approximate circumference of the garden?
C= Pi x d
31.4 feet
The price of a video game was $50. It went on sale for 30% off. What was the sale price of the video game?
$35
The scores on a quiz for five students were 7, 9, 8, 6, and 10. What was the mean (average) score of the students?
8