2. Transparency 2 Click the mouse button or press the Space Bar to display the answers.

3. Splash Screen

4. Example 2-2e Objective Make and interpret bar graphs A

5. Example 2-2e Vocabulary Graph A visual display of data A

6. Example 2-2e Vocabulary Bar graph A type of graph that displays data with the use of bars A

7. Example 2-2e Vocabulary Vertical axis The scale of numbers written up from the lower left corner A

8. Example 2-2e Vocabulary Horizontal axis The categories listed along the bottom of the graph A

9. Lesson 2 Contents Example 1Make and Interpret a Bar Graph A

10. Example 2-1a ANIMALS Make a vertical bar graph of the data. 406camel 36kangaroo 240moose 90puma 31rabbit 44squirrel Gestation Period (days)Animal Gestation of Selected Animals Source: The World Almanac 1/1 A

11. Example 2-1b Decide on a scale and interval 406camel 36kangaroo 240moose 90puma 31rabbit 44squirrel Gestation Period (days)Animal Gestation of Selected Animals Source: The World Almanac 1/1 A Find the largest number 406 Find the smallest number 31 The intervals must include these 2 numbers Intervals of 0 - 500 would be appropriate

12. Example 2-1b 1/1 A Intervals of 0 - 500 would be appropriate The numbers of the intervals are identified on the lines not the spaces

13. Example 2-1b Label the horizontal axis which is the categories A 1/1 406camel 36kangaroo 240moose 90puma 31rabbit 44squirrel Gestation Period (days) Animal Gestation of Selected Animals Source: The World Almanac

14. Example 2-1b A 1/1 406camel 36kangaroo 240moose 90puma 31rabbit 44squirrel Gestation Period (days)Animal Gestation of Selected Animals Source: The World Almanac Label the vertical axis which is the intervals

15. Example 2-1c Give the graph a title A 1/1 406camel 36kangaroo 240moose 90puma 31rabbit 44squirrel Gestation Period (days)Animal Gestation of Selected Animals Source: The World Almanac

16. Example 2-1c Draw bars for each animal. The height of each bar shows the gestation period for each animal. A 1/1 406camel 36kangaroo 240moose 90puma 31rabbit 44squirrel Gestation Period (days)Animal Gestation of Selected Animals Source: The World Almanac

17. Example 2-1c Answer: A 1/1

18. Example 2-1d RESTAURANT Make a vertical bar graph of the data. Customers at Sam’s Chili DayNumber of Customers Sunday120 Monday 50 Tuesday 62 Wednesday 71 Thursday 84 Friday112 Saturday150 A 1/1

19. Example 2-1e Answer: A 1/1

20. End of Lesson 2 Assignment Lesson 2:2A Bar Graphs3 and 6 - 9 All