Percents
Write 0.375 as a fraction in simplest form and as a percent.
3/8
and 37.5%
Find the circumference of a circle with a diameter of 14 cm. Use 3.14 for pi.
43.96 cm
Find the surface area of a rectangular prism with length 8 cm, width 5 cm, and height 3 cm.
158 cm2
A principal surveys 30 randomly chosen students about lunch preferences. Identify the population and sample.
Population = all students
Sample = the 30 students surveyed
A bag contains 5 red, 3 blue, and 2 green marbles. Find the probability of randomly selecting a blue marble.
3/10
What percent of 80 is 52?
65%
A circle has a circumference of 50.24 m. Find the radius.
8 m
A cube has an edge length of 6 in. Find the surface area.
216 in2
There are 450 students in a school. A survey of 50 students shows 18 prefer math. Estimate how many of the 450 prefer math.
About 162 students
A number cube (1–6) is rolled. Find P(odd number).
1/2
45 is 60% of what number?
75
Find the area of a circle with radius 7 ft. Use 3.14 for pi.
153.86 ft2
Find the surface area of a square pyramid with base side 6 m and slant height 5 m.
96 m2
Using the data set {4,6,8,10,12}, find the Mean Absolute Deviation (MAD).
2.4
What is the probability of choosing a vowel from the letters in MATHEMATICS?
4/11
A jacket’s price went from $65 to $91. Find the percent of increase.
40%
A circular pool has a diameter of 18 m. Find its area.
254.34 m2
Find the volume of a rectangular prism with length 9 m, width 4 m, and height 6 m.
216 m3
Class A test scores: 72, 75, 80, 82, 85, 88, 90, 93, 95, 98. Find the median.
86.5
A coin was flipped 40 times and landed heads 22 times. What is the experimental probability of heads?
11/20
or 55%
After a 20% discount, a shirt costs $28. What was the original price?
$35
A shape consists of a square with side 8 ft and a triangle on top with base 8 ft and height 5 ft. Find the total area.
84 ft2
A square pyramid has a volume of 192 in3 and a base side of 8 in. Find the height.
9 in
Two box plots show Quiz scores.
Class A: min 60, Q1 70, med 78, Q3 85, max 95
Class B: min 55, Q1 65, med 74, Q3 82, max 90
Which class performed better overall?
Class A
A coin is flipped and a number cube is rolled. Find P(heads and 5).
1/12