Tax, Tip and Discount
Operations with Positives and Negatives
Area and circumferences of Circles
Mean and MAD
Probability
100

What does the word discount mean?

To reduce the amount of an item

100

If two numbers in a multiplication or division problem have the same sign, would the answer be positive or negative?

The answer would be positive.

100

What is the formula for finding the radius?
(Using only words)

Diameter divided by two

100

How do you find the interquartile range?

You can find the interquartile range by subtracting the upper quartile from the lower quartile.

100

What is the definition of probability?

The likelihood that a chance event is to occur. 

200

A family's bill at a restaurant is $52.87. The gave the server a 20% tip. How much money was the tip?

The tip is $10.57

200

(-4) + 6 = 

2

200

If the diameter is 150 what would the radius be?

75

200

How do you find median?

Add all of the numbers and divide them by the total amount of numbers.

200

What is a favorable outcome?

The number or color that you want to pick.

300

Nike has a hoodie on sale for 25% off. How much is the total cost of a $50 Nike shirt?

The total cost of a $50 Nike shirt with the discount is $37.50

300

(-125) / (-25) =

25

300

If the circumference of a circle is 36 and the diameter of a circle is 6. What would be the pi?

The pi would be 6

300

Find the mean of the data set:

20, 30, 10, 50, 80, 90, 40

45.7

300

What is the probability of spinning an even number with three sections labeled 5, 7 ,1 

The answer will either be likely, unlikely or impossible

Impossible

400

True or False: A percentage of the total amount of sales made means commission.

The correct answer is TRUE

400

(-5) x (-20) =

100

400

If the radius is 80 what would be the diameter?

The diameter would be 160

400

Find the mean of this data set:

1, 4, 21, 12, 7, 24, 2, 8, 15, 

10.4

400
A teacher spins a spinner labeled 1-7 three times. How many possible outcomes are there?

7

500

A employee had earned 13% commissions on her sales at the store each day. If she sold $450 on Saturday, how much commissions did she earn?

She earned $58.05

500

8 + (-10) = 

-2

500

What is the definition for the circumference?

The distance around the circle

500

Find the mean and MAD of the data set below:

21, 8, 17, 5, 16, 19

Mean- 14.3  

Mad- 5.2

500

A bag of marbles contains 1 black marble, 3 yellow marbles, and 4 green marbles. What is the probability that someone picks two yellow marbles?

9/64