time comparison graphs
DESCRIPTION
describing charts & graphsTRANSCRIPT
2 Types of Graphs:Time and Comparison
Time graphs
• Time graphs show changes over time• Look for words like:– rose, fell, increased, decreased, remained the
same, shot up, fell sharply, fluctuated
Time graph: US army size
Time graph: Train passengers
Comparison graphs
• Comparison graphs compare different things at the same time.
• Look for words like– more than, less than, twice as much, greater, half,
more than double, five times, much less than, compared to
Comparison graph: Hours per subject
Comparison graph: Spending
Comparison graph: Water use in countries
Comparison graph: Apples
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Changes in China’s population for different age groups, 1950-2050
(Figures represent millions of people)