Number Sense & Operations
Round 8.67 to the nearest tenth.
Answer: 8.7
Evaluate 5+3x when x=2.
Answer: 11
Find the area of a rectangle with length 9 in and width 4 in.
Answer: 36 in2
Write a ratio of 8 dogs to 12 cats in simplest form.
Answer: 2:3
Find the mean of 6, 8, 10, and 12.
Answer: 9
Simplify the fraction 12/18
Answer: 2/3
Simplify 8n-3n
Answer: 5n
A rectangular prism has width 3 m, length 4 m, and height 6 m. What is its volume?
Answer: 72 m3
A car travels 180 miles in 3 hours. What is the unit rate in miles per hour?
Answer: 60 mph
Find the median for the data set below:
{3, 4, 9, 12, 15}
Answer: 9
Find 3/5 of 40.
Answer: 24
Write an expression for the phrase
"7 more than a number"
Answer: x+7
Given the point (3, 4), what is the x-coordinate?
Answer: 3
At a grocery store, 4 pounds of apples cost $8. What is the cost per pound?
Answer: $2
Find the range for the following data set:
{19, 11, 24, 30, 15}
Answer: 19
A package contains 24 granola bars. If 18 have been eaten, what fraction of the bars have been eaten?
Answer: 3/4
Write an expression for the phrase
"3 times a number decreased by 4"
Answer: 3x-4
Give the coordinates for a point 6 units left and 2 units up from the origin.
Answer: (-6, 2)
Find 25% of 120.
Answer: 30
A survey found that 18 of 30 students prefer chocolate ice cream, 10 prefer vanilla, and 2 prefer mint chocolate chip. What percent prefer chocolate ice cream?
Answer: 60%
A shirt costs $25 and is discounted by 20%. What is the sale price?
Answer: $20
Solve for x:
2x+5=19
Answer: x=7
Find the area of a parallelogram with base 10 cm and height 7 cm.
Answer: 70 cm2
A student answered 36 out of 40 questions correctly. What percent were correct?
Answer: 90%
Find the mean absolute deviation for the following data set:
{4, 4, 4, 4, 4}
Answer: 0