1. 2 Types of Graphs: Time and Comparison Enda Tuomey

2. Time graphs Time graphs show changes over time Look for words like: – rose, fell, increased, decreased, remained the same, shot up, fell sharply, fluctuated

3. Time graph: US army size

4. Time graph: Train passengers

5. 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

6. Comparison graph: Hours per subject

7. Comparison graph: Spending

8. Comparison graph: Water use in countries

9. Comparison graph: Apples

10. What are these graphs? 1

11. What are these graphs? 2

12. What are these graphs? 3

13. What are these graphs? 4

14. What are these graphs? 5

15. What are these graphs? 6

16. What are these graphs? 7

17. What are these graphs? 8 Changes in China’s population for different age groups, 1950-2050 (Figures represent millions of people)

18. 2 Types of Graphs: Time and Comparison Enda Tuomey