Unit Rate
If Mimi drives 50 kilometres in 2 hours, what is her speed unit rate?
25 km per hour
TRIPLE POINTS!!!
Which is the better deal $20 for 5 t-shirts or $24 for 8 t-shirts?
8 for $24
Anna earns $12 in 3 hours. How much does she make in 5 hours?
$20
A vehicle traveled at a speed of 54 km per hour for 3 hours. Find the distance traveled.
162 km
Is this a unit rate? Why or why not?
Justin's car wheels make 80 revolutions every 5 minutes.
no
If James types 120 words per 3 minutes, what is his unit rate of typing?
40 wpm
Which is the better buy: one slice of pizza for $3.75 or 8 slices of pizza for $18. Prove your answer!
8 slices ($2.25 per slice)
Jacob's car is leaking oil at a rate of 0.2 litres per hour. At this rate, how much oil will he lose in a day?
4.8 litres
DAILY DOUBLE!
Susan jogged 9 m in 2 s, and then she ran 21 m in 3 s. What is Susan's average speed in m/s?
6 m/s
27:9 = 18:?
6
What is a unit rate?
A unit rate compares a quantity to 1 unit of another quantity.
DAILY DOUBLE!!!
Which is the better buy: 8 mints for $1.84 or 13 mints for $3?
8 mints 0.23 vs. 0.231
Ian buys 2.5 kg of meat for $13.25 a pound. How much does he pay?
$33.13
A train moved at a speed of 120 km/h for 2 hours. It then slowed down and travelled another 136 kilometres for the next 2 hours. Find the total number of miles the train traveled.
376 kilometres
What is the difference between a ratio and a rate?
ratio: same units in numerator and denominator
rate: different units in numerator and denominator
Take 100 points from another team and add it to your total score!
If you can jump 24 times in 6 minutes, how many jumps can you do in 2 1/2 minutes?
10 jumps
Which is the best buy: 14 cans for $4.48 at Coles, 6 cans for $1.74 at Kmart, or 15 cans for $4.65 at Aldi?
6 cans at Kmart because each can is 0.29
Coles 0.32, Aldi 0.31
Bethany is on a treasure hunt and travels 80 km/h per hour as she drives. She has to go 630 kilometres to get from point A to point B. How long (in hours and minutes) does it take her?
7 hours 52 minutes 30 seconds
Covert 20 km/h to m/s. Give your answer correct to 2 decimal places
5.56 m/s
Kayla knits 3/5 of a metre in 1/3 of an hour. What is her knitting unit rate?
1.8 m/h
Alice can paint a wall in 5 hours, while Bob can paint the same wall in 7 hours. If they work together, how long in hours and minutes will it take them to paint the wall?
2 hours and 55 minutes
Contractor Bob tells Mr. Allen the cost of refinishing his basement is $103,049. Mr. Allen's basement is 93 square metres. Contractor Jim says he can do the job, just without the bathroom, for $102,268. The bathrooms is 14 square metres. If it's ok not to finish the bathroom which contractor has the best rate per square metre?
Bob $1108.05 per square metre
(Jim $1294.53 per square metre)
At 7:30am, a bus left Town P for Town Q at an average speed of 60 km/h. 15 minutes later, a car left Town Q and headed to Town P. The car reached Town P at 10:45 am. The bus reached Town Q at noon. What was the average speed of the car?
90 km/hr
Extra 200 points!!!
Robert drove his truck 250 m uphill in 25s. He drove back down the hill in 12 s. What is the average speed in m/s? What is the average speed in km/h? Give your answer correct to 1 decimal place.
13.5 m/s; 48.6 km/h
A car park charges $70 for the first three hours. Every subsequent half hour (or part thereof) costs $12.50. If Dr. Lewis parks from 3:15 pm - 8:20 pm, how much will she pay for parking?
$107.50