Ratios
Unit Rate
Rates
Miscellaneous #1
Percentages
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
Christina biked 36 miles in 6 hours. If she biked at a constant speed, how many miles did she ride in one hour?
6 mi/hr
100
Write 3/8 as a percent and as a decimal.
What is .375 and 37.5%?
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
If the sales tax on a pair of jeans was $12, what was the sales tax added to the cost of the jeans?
What is 8%?
200
78 is 30% of what number?
What is 260?
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
A student finds 2 stores offering discounts when shopping for new shoes. The student found 2 pair of shoes. One pair cost $65 and the other cost $75
Store A: 30% of total purchase
Store B: Buy one full price, get one 50% off (the less expensive pair. Where should they shop?
300
Your family stopped for gas on your way to a camping trip in the mountains. The truck that pulled your trailer went 231 miles on 14 gallons of gas. How many miles to the gallon did the truck get?
What is 16.5 mpg?
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
If it takes $126 to buy 6 sheets of plywood, how much would it cost to buy 11 sheets?
What is $231?
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
A fishing rod and reel costs $35. If the sales tax rate is 8.7%, what is the total cost of the rod and reel including tax?
What is $38.05?