Number Sense
Markup/down
Proportions
Measures of Center
100
If you owe 55 dollars and you earn 33 dollars, how much do you owe now?
$22
100
How can discounts help consumers?
Discounts can save money for consumers, making products more affordable.
100
What is a proportion?
A statement that two ratios are equal.
100
Find the mode in the following data set: 1, 2, 2, 3, 4, 4, 4, 5, 5.
mode = 4
200
If the temperature is −2−2 degrees and it drops by 33 degrees, what is the new temperature?
-5 degrees
200
Why might a store use a markup?
To make a profit on the items sold.
200
If 3/4 of a pizza is left, what fraction of the pizza has been eaten?
1/4 of the pizza has been eaten.
200
If the mean of a data set is 10 and there are 5 numbers, what is the total sum of those numbers?
50
300
A submarine is at −300meters and it rises 100 meters. What is its new depth?
-200 meters
300
If a shirt costs $40 and is on sale for 20% off, what is the sale price?
$32
300
Explain how you can check if two ratios are equivalent.
Cross-multiply and check if the products are equal.
300
What is the median of the following data set: 10, 20, 30, 40, 50, 60?
35
400
If a football team loses 7 points, then gains 10, then loses 3 points, what is their score?
0
400
Calculate a 25% markup on a $40 item.
$50
400
If 12 is to 30 as x is to 50, find x.
x = 20
400
The scores of five students on a test are 78, 85, 90, 92, and 95. What is the mean score?
88
500
A diver is 250 ft. below sea level. He rises 120 ft. to watch a turtle eat some kale. He then dives 25ft. to catch a glimpse of a crab. He then rises 60ft. to get closer to the surface. What is the divers destination at this point?
95 ft. below sea level.
500
If an item is marked up by 30% and sells for $65, what was the original cost?
$50
500
If a car's speed is 60 miles per hour, how far will it go in 3 hours?
180 miles.
500
What happens to the mean if you add a number that is larger than the current mean?
The mean will increase.