Ratios
Unit Rate
Rates
Others
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.

4:10 or 2:5

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.

36 shovels of gravel 

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

200

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

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.

80 minutes

200
Ricky made $600 in two weeks. Find the unit rate.
$300/week
300

The recipe calls for 2 eggs for every 8 cups of flour. Come up with an equivalent ratio for this recipe. 

answers vary

300
The toys cost $69.95 for 5 models. What is the unit rate for each model toy?
$13.99 per model toy
300

Write a unit rate for this situation: 310 heartbeats per 5 minutes

62 heartbeats/minute

300
Apples sell 4 for $2.40. How much do 6 apples cost?
$3.60
400

The ratio of pink mice to black mice is 1:4. How many black mice are in the cage if there are 25 pink mice?

100 black mice

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

Lauren bikes 1/2 of a mile in 1/10 of an hour.  What is her speed in miles per hour?

5 miles per hour

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.

500

The ratio of white rabbits to grey rabbits is 3:7. 

If there were 28 grey rabbits, how many white rabbits would there be?

12 white rabbits

500
Hillary earned $45 babysitting. If she babysat for 6 hours, what was her rate per hour?
$7.50 per hour
500

Oliver reads 28 1/2 pages of a book in 2 hours.  How many pages will he read in an hour?

14 pages

500

Which is the better buy?

12 pack of Pepsi for $2.99 OR a 24 pack of Pepsi for $7.99

12 pack

M
e
n
u