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Average Speed

In this worksheet, students work out average speeds given the total distance travelled and the total time taken to complete the journey.

'Average Speed' worksheet

Key stage:  KS 4

Curriculum topic:  Ratio, Proportion and Rates of Change

Curriculum subtopic:  Convert Between Related Compound Units

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

Speed is an example of a compound measure, which is one that involves more than one unit of measurement. 

Speed is a measure of distance (e.g. miles, km) in relation to time (e.g. hours, minutes) and can be measured in mph (miles per hour), km/h etc....

Throughout a typical journey, speed varies.  It stays constant, it increases and it decreases.

We calculate the average speed from the total distance travelled and the total time taken.

 

Average Speed = Total distance travelled ÷ Total time taken

 

Example

A train leaves London at 1130 and arrives in Portsmouth at 1220.  The distance between the two stations is 110 km.  Find the average speed in km/h.

 

Answer

First we must state the time taken in hours, not in minutes.

Time taken = 50 minutes = 5/6 hour

Average Speed = Total distance ÷ Total time = 110 ÷ 5/6 = 110 × 6/5 = 132 km/h

A train leaves London at 1130 and arrives in Brighton at 1230.  The distance between the two stations is 80 km. 

 

Find the average speed in km/h.

 

(just write the number)

A train travels 189 km from London to Bristol in 1½ hours.

 

Find the average speed in km/h.

 

(just write the number)

A car travels 144 miles in 2 hours.

 

Find the average speed in mph.

 

(just write the number)

A train travels 279 miles in 2¼ hours.

 

Find the average speed in mph.

 

(just write the number)

A car travels the 36 miles from Liverpool to Manchester in ¾ hour.

 

Find the average speed in mph.

 

(just write the number)

A car travels the 10.5 miles from Leeds to Bradford in 30 minutes.

 

Find the average speed in mph.

 

(just write the number)

A cyclist travels the 10.5 miles from Leeds to Bradford in 90 minutes.

 

Find the average speed in mph.

 

(just write the number)

A plane flies from London to Rome, a distance of 1503 km.  The flying time is 2¼ hours.

 

Find the average speed in km/h.

 

(just write the number)

A plane flies from London to New York, on a route that is 5452 km long.  The flying time is 7¼ hours.

 

Find the average speed in km/h.

 

(just write the number)

A bus leaves Birmingham at 11.10 a.m. and arrives in Rugby at 12.30 p.m.  The journey is 56 km long.

 

Find the average speed in km/h.

 

(just write the number)

  • Question 1

A train leaves London at 1130 and arrives in Brighton at 1230.  The distance between the two stations is 80 km. 

 

Find the average speed in km/h.

 

(just write the number)

CORRECT ANSWER
80
EDDIE SAYS
80 ÷ 1
  • Question 2

A train travels 189 km from London to Bristol in 1½ hours.

 

Find the average speed in km/h.

 

(just write the number)

CORRECT ANSWER
126
EDDIE SAYS
189 ÷ 1½
  • Question 3

A car travels 144 miles in 2 hours.

 

Find the average speed in mph.

 

(just write the number)

CORRECT ANSWER
72
EDDIE SAYS
144 ÷ 2
  • Question 4

A train travels 279 miles in 2¼ hours.

 

Find the average speed in mph.

 

(just write the number)

CORRECT ANSWER
124
EDDIE SAYS
279 ÷ 2¼
  • Question 5

A car travels the 36 miles from Liverpool to Manchester in ¾ hour.

 

Find the average speed in mph.

 

(just write the number)

CORRECT ANSWER
48
EDDIE SAYS
36 ÷ ¾
  • Question 6

A car travels the 10.5 miles from Leeds to Bradford in 30 minutes.

 

Find the average speed in mph.

 

(just write the number)

CORRECT ANSWER
21
EDDIE SAYS
10.5 ÷ ½
  • Question 7

A cyclist travels the 10.5 miles from Leeds to Bradford in 90 minutes.

 

Find the average speed in mph.

 

(just write the number)

CORRECT ANSWER
7
EDDIE SAYS
10.5 ÷ 1½
  • Question 8

A plane flies from London to Rome, a distance of 1503 km.  The flying time is 2¼ hours.

 

Find the average speed in km/h.

 

(just write the number)

CORRECT ANSWER
668
EDDIE SAYS
1503 ÷ 2¼
  • Question 9

A plane flies from London to New York, on a route that is 5452 km long.  The flying time is 7¼ hours.

 

Find the average speed in km/h.

 

(just write the number)

CORRECT ANSWER
752
EDDIE SAYS
5452 ÷ 7¼
  • Question 10

A bus leaves Birmingham at 11.10 a.m. and arrives in Rugby at 12.30 p.m.  The journey is 56 km long.

 

Find the average speed in km/h.

 

(just write the number)

CORRECT ANSWER
42
EDDIE SAYS
56 ÷ 1⅓
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