What is a rate?
A ratio comparing two quantities with different types of units.
What is 10% of 20?
2
What is volume?
The amount of space inside a three-dimensional figure measured in cubic units.
What is a variable?
A symbol, usually a letter used to represent a number.
What is a histogram?
Simplify this ratio:
162:9
18:1
What is 1/8 as a decimal?
0.125
What is the area of this shape?
84 in.2
Simplify this expression:
7(3x+5y)
21x+35y
What is the mean of these numbers:
12; 3; 92; 8; 11; 1,032
193
A horse drinks about 120 gallons of water every 4 days. At this rate, about how many gallons of water will the horse drink in 28 days?
840 gallons
Write 3/20 as a percent.
15%
What is the height of a rectangular prism with a volume of 4096 units3 and these dimensions:
Length: 32 units
Width: 32 units
4 units
Factor this expression:
54+24
6(9+4)
What is the Q1 of this data:
23; 192; 1,302,526; 0.5; -2; 729; 56; 3; 3.14
1.75
If Mollie ate about 15 cookies per minute, about how many could she eat in one hour?
900 cookies
Sally is mixing cleaning solution that is 12% bleach. After mixing the solution, Sally has 150 oz. of cleaning solution. How many oz. of bleach did Sally use?
18 oz.
What is the volume of this prism?
144 cm3
Alexa has 3 more than one half as many hats as Botanica. Define a variable and write an expression to represent the number of hats that Alexa has.
3+1/2x
What percent of the data is above 160?
75%
There are 550 students in a school. Out of all of them, 2/5 have blonde hair, and the rest have brown hair. What is the ratio of blonde to brown hair?
2:3
A store is having a sale where bathing suits are 60% off the original price. A one piece is now 30 dollars. What was the original price of the swim suit?
$75
What is the surface area of this pyramid?
360 ft2
True or False:
40(2x+2.5y)=20(4x+5y)
True
Which measure of center would best describe this data?
10, 19, 20, 21, 22, 22, 23, 24, 24, 25, 26, 26
Median because 10 is an outlier.