Targeting Grade C

1
GCSE Mathematics
Targeting Grade C
Unit 3 Algebra 3 Travel Graphs
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Review 1 Key facts Practice 1 GCSE
questions Question 1 Question 2 Question
3 Question 4 Question 5 Question 6

• Can you
• If not you need
• Remember the key points about
• travel graphs
• Answer examination questions
• Involving
• Calculating how long was a rest
• Calculating how far did they travel
• Working out the average speed
• Completing a travel graph

3
Travel graphs Always the same and always easy!

• The Four Key Points
• A travel graphs is always
• DISTANCE against TIME
• FLAT sections are where its STOPPED
• The STEEPER the graph
• the FASTER its going
• For any section,
• SLOPE (gradient) SPEED
• Remember SPEED Distance Time

lesson
4
1. Jane drove 320 km from her home to the
airport. The travel graph shows Janes journey.
Click for answers
During the journey, Jane stopped for
lunch. (a) (i) For how long did Jane stop for
lunch? (ii) How far had Jane travelled in the
first 90 minutes? (b) Work out the steady speed
that Jane travelled at after lunch.
30 minutes
120 Km
60 Km/Hr
Continue
5
Janes car uses 1 gallon of petrol for each 40
miles.A gallon of petrol costs
3.20(c) Work out the cost of
petrol for Janes 320 km journey.
Click for answers
25.60
More questions
6
Here is part of a travel graph of Siâns journey
from her house to theshops and back.
Click for answer
(a) Work out Siâns speed for the first 30
minutes of her journey. Give your answer in km/h.
40 Km/Hr
More questions
7
Click for answers

• Siân spends 15 minutes at the shops.She then
  travels back to her house at 60 km/h.
• (b) Copy and complete the travel graph.

More questions
8
3. A man left home at 12 noon to go for a cycle
ride. The travel graph represents part of the
mans journey.
Click for answers
At 12.45pm the man stopped for a rest. (a) For
how many minutes did he rest? (b) Find his
distance from home at 1.30pm.
15 minutes
15 Km
More questions
9
Click for answers

• The man stopped for another rest at 2pm.
• He rested for one hour.
• Then he cycled home at a steady speed. It took
  him 2 hours.
• (c) Copy and complete the travel graph.

More questions
10
4. James left home at 10 00 am. He walked to the
swimming pool. On the way to the swimming pool
he stopped to talk to a friend. Here is the
distance-time graph for his complete journey.
More questions
11
Click for answers

• (a) For how many minutes did James stop and talk
  to his friend?
• (b) What is the distance from James home to the
  swimming pool?

45 minutes
5 Km
More questions
12
5. The graph shows the rate of rainfall, in mm
per hour, one afternoon last year.
Click for answers
(a) At what time did it start to rain? (b) What
was the rate of rainfall at 1700 in mm per
hour? (c) What happened to the rate of rainfall
between 1600 and 1615?
13.30
1.5 mm/hr
More questions
It increased
13
6. Robert left school at 3 30 pm. He walked
home. On the way home, he stopped to talk to a
friend. His sister, Sarah, left the same school
at 3 45 pm. She cycled home using the same route
as Robert. Here are the distance-time graphs for
Roberts and Sarahs complete journeys.
More questions
14
Click for answers

• (a) Find the distance Robert walked during the
  first 10 minutes of his journey.
• (b) Find the total time that Robert stopped to
  talk to his friend.
• (c) Write down the distance that Robert had
  walked when Sarah cycled past him.

1 Km
30 minutes
2 Km
Lesson