Calculating Unit Rates
Scale Drawing
Determine Better Buys
Ratios
Rates
100

If 3 large pizzas cost $36, what is the cost of one pizza?

$12 per pizza 

100

The scale for a toy car is 1 cm : 2 metres. If the toy car is 5 cm long, how long is the real car?

10 meters 

100
  • Store A: 2 apples for $2.00 
  • Store B: 5 apples for $4.00 

store B 

100

In a bowl, there are 2 oranges for every 3 apples. If there are 15 apples, how many oranges are there?

10 oranges 

100

A cyclist travels 30 kilometres in 2 hours. What is their average speed in km/h?

15 km/h 

200

Jake walks 8 miles in 2 hours. How many miles does he walk in one hour?

4 miles / h 

200

On a floor plan, the scale is 1 inch :  4 feet. If your bed is 2 inches long on the drawing, how many feet long is it in real life?

8 feet 


200
  • Pack A: 3 juice boxes for $6.00 
  • Pack B: 6 juice boxes for $9.00 

Pack B

200

The ratio of blue marbles to green marbles in a bag is 1:5. If there are 20 blue marbles, how many green marbles are there?

100 green marble 

200

A hose fills a pool at a rate of 100 litres every 5 hours. How many litres per hour (L/h) is that?

20 L/h 

300

A 6-pack of soda costs $12. How much does each individual soda cost?

$2 per soda


300

A drawing of a tree uses the scale 1 cm : 10 feet. If the real tree is 50 feet tall, how tall is the drawing?

5 cm 

300
  • Store X: 10 pens for $10.00 
  • Store Y: 5 pens for $4.00 

store Y

300

 The ratio of boys to girls in a class is 2:3. If there are 10 boys, how many girls are in the class?

15 girls 

300

An athlete runs 400 metres in 2 minutes. What is their speed in metres per minute (m/min)?

20 m/min 

400

A student reads 40 pages in 4 days. If they read the same amount every day, how many pages do they read in one day?

10 pages per day 

400

A science book shows a picture of an ant with a scale of 1 cm : 2 mm. If the picture of the ant is 3 cm long, how many millimetres long is the actual ant?

6 mm 

400
  • Small Bag: 2 bags for $4.00 
  • Big Bag: 3 bags for $7.50 

Small bag  

400

A recipe uses 4 cups of flour for every 6 cups of water. What is this ratio of flour to water in its simplest form?

2:3 

400

Snow falls at a rate of 12 centimetres in 4 hours. How many cm fall in one hour?

3 cm/h

500

You can buy 10 apples for $5. How much does one apple cost?

50 cents per apple 

500

On a map, 1 inch : 5 miles. If the distance between your house and the mall is 4 inches on the map, how many miles away is the mall?

20 miles 

500
  • Shop 1: 2 games for $40.00 
  • Shop 2: 4 games for $100.00

Shop 1 

500

A pet store has 7 cats for every 9 dogs .if the store has 18 dogs ,how many cats are there ? 

14 cats 

500

A rocket travels 24,000 kilometres in 3 hours. What is its speed in km/h?

8000 km/h