Identify and Simplify Rates
Running at 8 km per hour is an example of what type of comparison?
A rate
Convert 600 km/h to km/min.
Answer: 10 km/min
Tricia reads 10 pages per hour. How many pages will she read in 4 hours?
40 pages
What social media platform was originally created for sharing short dance and lip‑sync videos and is now one of the most used apps in the world?
TikTok
Is buying 6 bottles of water for $5 an example of a unit rate? Why or why not?
No, because it is not per 1 bottle
Convert 300 mL per hour to mL per minute.
5 mL/min
Ivan washes 15 cars per day. How many cars can he wash in 11 days?
165 cars
Which video game is the best‑selling game of all time?
Minecraft
Mario drives 120 km in 90 minutes. What unit describes his average speed?
Kilometres per minute (km/min) or kilometres per hour (km/h)
Convert 80 mL/min to L/h.
4.8 L/h
Petrol costs $1.19 per litre. How much will it cost to fill a 40 L tank?
$47.60
How fast does light travel in space (approximately)?
300 000 km per second
A printer prints 300 sheets in 6 minutes. What is the unit rate?
50 sheets per minute
A bike travels 84 m in 12 seconds. What is its speed in m/min?
420 m/min
A racing bike travels 2.8 km in 14 minutes. How far will it travel in 1.3 hours?
15.6 km
What part of the human body uses the most energy, even when you are resting?
The brain
Japan’s bullet trains travel 1440 km in 4.5 hours. What is the average speed?
320 km/h
The Earth rotates 18 900 km in 12 hours. What is the speed in m/s?
437.5 m/s
Michael earns $17/h and Vincent earns $23/h. If both work 7 hours, how much more does Vincent earn?
$42
About how much time does the average person spend on their phone each day?
Around 4–5 hours