Show:
Ratios
Unit Rate
Rates
Miscellaneous
Dimensional Analysis
100
In a drawing, there are three circles, four stars, and three triangles. What is the ratio of stars to the total number of shapes.
What is 2/5 or 4/10
100
George read 126 pages of a book in 18 minutes. How many pages did he read in 1 minute?
7 pages per minute
100
5 shovels of sand are mixed with 4 shovels of gravel to make cement. What is the number of shovels of gravel needed for 45 shovels of sand.
What is 36?
100

The length of a rectangle is 16 inches. If the width is 50% of its length, what is the width of the rectangle?

What is 8 inches?

100

You are traveling in a car. Your speed is 20 miles per hour. What is your speed in feet per minute?

What is 0.33 miles per minute?

200
Write a unit rate for this situation: 310 heartbeats per 5 minutes
62 heartbeats/minute
200
The science materials cost $65.70 to do the experiment. If 9 students participated in the experiment, what was the unit cost per student?
$7.30
200
Ari can walk 2 miles in 40 min. What is the amount of time it will take him to walk 4 miles.
What is 80 min.?
200

Ricky made $600 in twelve weeks. Find the unit rate.

What is $50/week?

200

Convert 192 ounces to pounds. Round to the nearest hundredth if necessary.

What is 12 pounds?

300
The recipe calls for 2 eggs for every 8 cups of flour. How many eggs are needed with 40 cups of flour?
10 eggs
300
The toys cost $69.95 for 5 models. What is the unit rate for each model toy?
$13.99 per model toy
300
Paul used 6 black tiles and 12 white tiles for a pattern. What is the ratio of black tiles to white tiles.
1:2 or 6:12
300

Before a century plant dies, a tall flower stem grows from its center. The flower stem grows for only two months to reach 40% of a height of 25 feet. How tall is the flower stem after two months?

What is 10 ft tall?

300

Convert 9 liters to gallons. Round to the nearest hundredth if necessary.

What is 2.37 gallons?

400
There are 40 rabbits in a cage. The ratio of white rabbits to grey rabbits is 3:7. How many white rabbits are in the cage?
12 white rabbits
400
A factory can produce mousetraps at a rate of 1500 traps in 3 hours. What is the unit rate per hour?
500 traps per hour
400
30 buses can carry 1500 people. What is the number of people that can be carried by 5 buses.
250 people
400
Rose spent $2.00 for 20 pieces of gum. Joe spent $1.50 for 10 pieces of gum. Who got the better deal and why?
Rose got the better deal. She got one piece for $0.10 and Joe spent $0.15 for one piece.
400

A book is 15 centimeters long and 6 centimeters wide. What are the length and width of the book in inches? Round your answers to the nearest hundredth.

What is a length of 5.90 inches and a width of 2.36 inches?

500
There are 75 mice in a cage. The ratio of pink mice to black mice is 2:3. How many black mice are in the cage?
45 mice
500
Hillary earned $45 babysitting. If she babysat for 6 hours, what was her rate per hour?
$7.50 per hour
500
Ivy's Fresh Eggs transports its eggs in crates. It takes 2 trucks to carry 80 crates. What is the number of crates that 8 trucks can carry.
320 crates
500
Larry can type 225 words in 3 minutes. How many words can he type in 10 minutes?
750 words
500

You can complete one-tenth of a task in an hour. Your friend can complete two-fifths of the same task in an hour. How long will it take to complete the task if you work together?

What is 2 hours?