Quiz

Cambridge Mathematics 9: Time and rates of change

10 questions with solutions on the Cambridge Mathematics 9 topic: speed, distance and time, units of speed, density, distance–time graphs.

Type the number or choose the right answer. When you finish, click Check answers and see the solutions.

1. A car travels 240 km in 3 hours. Average speed in km/h?Enter a number only

2. Travelling at 45 km/h for 2 hours 20 minutes. How many km?Enter a number only

3. 90 km at 60 km/h. How many minutes does it take?Enter a number only

4. 20 m/s = ? km/hEnter a number only

5. How many minutes are there from 13:45 to 16:20?Enter a number only

6. Aluminium has density 2.7 g/cm³. How many grams is 10 cm³?Enter a number only

7. What does a horizontal part of a distance–time graph mean?

A. it is stationary

B. it speeds up

C. it returns

D. top speed

8. What does the gradient of a distance–time graph show?

A. the total distance

B. the time

C. the mass

D. the speed

9. A 300 l tank fills at 12 l per minute. How many minutes does it take?Enter a number only

10. 60 km in 1 hour, then 60 km in 2 hours. Average speed in km/h?Enter a number only