Page 150 - Mathematics Coursebook

15.3 Real-life graphs

3 Maya likes to run from home to school. y
This graph shows her journey one morning. 4
a How far from school is Maya’s home?
b When did Maya leave home? 3
c Maya stopped for a rest on the way. Distance from school (km)
i When did she stop? 2
ii How long did she stop for?
d When did she get to school? 1

0 x
0800 0810
Time (24 hours clock)

4 In an experiment Salman heated some water. y
The graph shows how the temperature changed.
a What was the temperature at the start? 50
b What was the temperature after 2 minutes? 40
c What was the highest temperature?
Temperature (°C) 20
d What happened after 4 minutes? 30

10

0 x
0 1 2 3 4 5 6
Time (minutes)

5 Leia went on a cycle ride. y
This graph shows her progress. 80
a What time did Leia start?
b How far had Leia travelled at 10 30? 60
c Leia had two rest stops. What times were these? Distance (km)

d How far did Leia travel in the first five hours? 40
e How far did Leia cycle? 20
f How long did the journey take her?
0
0900 1000 1100 1200 1300 1400 1500 1600 x
Time (24 hours clock)

15 Time 149