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Laabri

U5: T4 Comparing Rates

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Last updated almost 7 years ago
26 Nsɛmmisa

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

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

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

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2.

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

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3.

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

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4.

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

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5.

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

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6.

Is the following a rate or ratio?

The car was travelling at 60 km/h.

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7.

Is the following a rate or ratio?

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

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8.

Is the following a rate or ratio?

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

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9.

Is the following a rate or ratio?

The soccer team won 25 games and lost 15 games.

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10.

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

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11.

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

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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?

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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?

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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).

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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).

Asemmisa {{asɛmmisaAhyɛnsode}}
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).

Asemmisa {{asɛmmisaAhyɛnsode}}
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).

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18.

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

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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)

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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?

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21.

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

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22.

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

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23.

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

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24.

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

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25.

What is the greater average speed?

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26.

What is the better buy? (least expensive)