The Number System
What is the absolute value of -15?
15
If a car travels 120 miles in 2 hours, what is its unit rate in miles per hour?
60 mph
60
60 miles per hour
Evaluate the expression 33 + 5.
32
What is the area of a triangle with a base of 10 cm and a height of 6 cm?
30 sq. cm
30 cm2
What is the "mean" of a data set?
The average (sum divided by the count)
Solve 1/2 / 1/4
2
Write the ratio of 4 apples to 6 oranges in simplest form.
2:3
2 to 3
2/3
Write an algebraic expression for "7 less than a number n."
n - 7
Find the volume of a rectangular prism with a length of 5 in, width of 2 in, and height of 4 in.
40 cubic inches
40 in3
Find the median of this data set: 2, 5, 7, 10, 12.
Median 7
What is the greatest common factor (GCF) of 24 and 36?
12
What is 25% of 80?
20
Use the distributive property to simplify: 4(x + 3).
4x + 12
What is the term for a 3D shape’s "unfolded" flat representation?
A net
What is the "range" of the following numbers: 12, 4, 19, 21, 5?
Range: 17
Point A is located at (-3, 4). If you reflect Point A across the y-axis, what are the new coordinates?
(3,4)
A recipe calls for 2 cups of flour for every 3 cups of sugar. If you use 12 cups of sugar, how many cups of flour do you need?
8 cups
Solve for x:
x + 12.5 = 30
17.5
A parallelogram has a base of 8m and a height of 7m. What is its area?
56 sq. m
56 m2
In a box-and-whisker plot, what does the "box" represent?
The interquartile range (middle 50% of data)
Subtract 14.28 from 30.
15.72
There are 30 students in a class. 18 of them are girls. What percent of the class are boys?
40%
Which value makes the inequality x + 5 > 12 true:
5, 6, or 8?
8
If a rectangle has a perimeter of 20 units and a width of 4 units, what is its length?
6 units
Find the Mean Absolute Deviation (MAD) for the following data set, which represents the number of points scored by a basketball player in five games:
10, 12, 18, 20, 20
MAD: 4