1. Honors Geometry Section 8.1 Ratio and Proportion

2. Please select a Team. • Team 1 • Team 2 • Team 3 • Team 4 • Team 5 • Team 6 • Team 7 • Team 8 • Team 9 • Team 10 Response Grid 10 Countdown

3. Ratios are written three ways: a to b, or a:b Vocab A comparison of two numbers/quantities using division. Example of a Ratio: The “Ratio” of the width to length of the rectangle is 2 to 5 2 in 5 in 2:5 16,000 1000 Note: Convert the larger unit. 20 7 ft 21 3 ft

4. . . Response Grid 15 Countdown

5. . . Response Grid 15 Countdown

6. 4x 3x 4 3 4 3 3 4 8 6 14 14 4 16 12

7. In the proportion , a and d are the extremes In the proportion , b and c are the means Vocab An equation that equates two ratios ad bc

8. 8 3 3 12 8

9. . . Response Grid 15 Countdown

10. . . Response Grid 15 Countdown

11. 60 10 5 120 10

12. Team Scores

13. End

14. Honors Geometry Section 8.1 Ratio and Proportion

15. Vocab Example of a Ratio: The “Ratio” of the height to width of the rectangle is 2 to 5

17. Vocab