AI generatedRatio, proportion and rates of changeKS3 / GCSE

Speed from distance and time

Speed from distance and time.

  • Average speed = total distance ÷ total time.
  • Use compatible units before substituting.
  • Rearrange to distance = speed × time or time = distance ÷ speed when needed.

Example 1

A vehicle travels 45 km in 1.5 hours. Find its average speed.

Use s for speed, d for distance and for time. Keep compatible units.Substitute the given values and calculate.

Example 2

A vehicle travels 62 km in 2 hours. Find its average speed.

Use s for speed, d for distance and for time. Keep compatible units.Substitute the given values and calculate.

Your turn

Question 1

A vehicle travels 80 km in 2.5 hours. Find its average speed.

Check answer
Use s for speed, d for distance and for time. Keep compatible units.Substitute the given values and calculate.
Question 2

A vehicle travels 99 km in 3 hours. Find its average speed.

Check answer
Use s for speed, d for distance and for time. Keep compatible units.Substitute the given values and calculate.
Question 3

A vehicle travels 119 km in 3.5 hours. Find its average speed.

Check answer
Use s for speed, d for distance and for time. Keep compatible units.Substitute the given values and calculate.
Question 4

A vehicle travels 140 km in 4 hours. Find its average speed.

Check answer
Use s for speed, d for distance and for time. Keep compatible units.Substitute the given values and calculate.
Question 5

A vehicle travels 162 km in 4.5 hours. Find its average speed.

Check answer
Use s for speed, d for distance and for time. Keep compatible units.Substitute the given values and calculate.
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