Unit 17
Diagrams and graphs 1
Study the graph. Answer the questions.
Annual rainfall in Grenada
WB 3 p151
10 cm 15 cm 20 cm 25 cm 30 cm
0 cm 5 cm
Jan Feb Mar Apr May Jun Jul
Aug Sep Oct Nov Dec
1 Which are the two wettest months in Grenada? 2 Which is the driest month? 3 Which month has more rain, June or July? 4 Which month is drier, January or February? 5 Which months have more than 15 cm of rain each year?
2 Read the statements about the pie chart. Are they true or false?
Leaks from taps and pipes: 14%
Taking showers: 18%
Washing up: 17%
Daily water use for a family with a washing machine
Flushing toilet: 29%
Washing machine: 22%
1 18% of the water is used for taking showers. 2 Most of the water is lost through leaks from taps and pipes. 3 The family uses more water washing up than taking showers. 4 The washing machine uses 22% of the water. 5 Flushing the toilet uses the most water.
• Discuss the purpose of the graph and pie chart. Ask students whether they find it easier to find information in a graph or from a written account. • Ask general questions about the graph and pie chart before students answer the written questions.
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