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Biblioteka

U5: T4 Comparing Rates

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Posljednje ažuriranje almost 7 years ago
26

Solve the questions about rates. You may use a calculator.

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Pitanje 1
1.

Express as a rate. George typed 60 words in 1 min.

Pitanje 2
2.

Express as a unit rate. Betty cycled 30 km in 2 hours.

Pitanje 3
3.

Express as a unit rate. Elsie delivered 220 flyers in 4 hours.

Pitanje 4
4.

Express as a unit rate. A plane flew 150 km in 15 mins.

Pitanje 5
5.

Find the unit price. Milk costs $4.50 for 4 liters.

Pitanje 6
6.

Is the following a rate or ratio?

The car was travelling at 60 km/h.

Pitanje 7
7.

Is the following a rate or ratio?

Katie earns $8/h at her part-time job.

Pitanje 8
8.

Is the following a rate or ratio?

The punch has 3 cups of cranberry juice and 4 cups of ginger ale.

Pitanje 9
9.

Is the following a rate or ratio?

The soccer team won 25 games and lost 15 games.

Pitanje 10
10.

Find the unit price. 24 cans of pop cost $9.99 for 4 liters.

Pitanje 11
11.

Ribbon costs $1.44 for 3 m. What is the cost per metre?

Pitanje 12
12.

Monique worked as a cleaner. She was paid $84 for an 8 hour day. This meant that her hourly rate was $10.50/h.

How much money would Monique make for 35 hours of work?

Pitanje 13
13.

A 400-g package of cheese costs $4.80. The cost of cheese per gram is $0.012/g.

What is the cost of 250g of cheese?

Pitanje 14
14.

The sailfish is the fastest swimmer, reaching speeds of up to 109 km/h. What is that speed in m/s? There is 1000 m in a kilometer, and 60 seconds in a minute, 60 minutes in an hour. (hint: multiply by 1000 and divide by 60, then divide by 60 again).

Pitanje 15
15.

A bald eagle can fly at a top speed of 50 km/h. What is that speed in m/s? There is 1000 m in a kilometer, and 60 seconds in a minute, 60 minutes in an hour. (hint: multiply by 1000 and divide by 60, then divide by 60 again).

Pitanje 16
16.

A pitcher throws a baseball at 40 m/s. What is that speed in km/h? There is 1000 m in a kilometer, and 60 seconds in a minute, 60 minutes in an hour. (hint: do the opposite of the above question; divide by 1000 and multiply by 60, then multiply by 60 again).

Pitanje 17
17.

A cockroach can travel at a speed of 1.5 m/s. What is that speed in km/h? There is 1000 m in a kilometer, and 60 seconds in a minute, 60 minutes in an hour. (hint: do the opposite of the above question; divide by 1000 and multiply by 60, then multiply by 60 again).

Pitanje 18
18.

The graph shows how a cyclist travelled in 3 hours. What was the average speed of the cyclist?

Pitanje 19
19.

Petra works on an assembly line. She can paint the eyes on 300 dolls in 1 hour. How many can she paint in 15 mins? (Write the number of dolls)

Pitanje 20
20.

James and Lucinda caem from England to Canada on holiday. The rate of exchange for their money was $2.50 Canadian to £1.00 in England. How many Canadian dollars would James get for £20.00?

Pitanje 21
21.

If you earned $399 in 3 weeks, how much money do you earn each week?

Pitanje 22
22.

Which is a better buy, 12 bags for $1.99 or 48 bags for $5.29?

Pitanje 23
23.

Which is a better buy, 2 rolls for $0.99 or 6 rolls for $3.99 or 12 rolls for $4.99?

Pitanje 24
24.

What is the greater rate? (who would make more money?)

Pitanje 25
25.

What is the greater average speed?

Pitanje 26
26.

What is the better buy? (least expensive)