Whose S ope is it Anyway?

1. Whose S ope is it Anyway? Created by Brian Domroes

2. Which Animal is Faster? Give reasons to support your answer.

3. Rate: Definition and Examples • A rate is a ratio comparing two different units • Examples: • Dollars/week • Miles/hour • Beats/second

4. Cat and Mouse Simulation What do graph lines really mean?

5. Go to www.explorelearning.com Type in “Cat and Mouse” Cat and Mouse

6. Click on “Launch Gizmo”

7. Play with the Variables

8. Exploration Activity Reviewed • The line moves up the y axis 3 spaces. • Make the cat go as fast as possible. • Yes, if it has enough of a head start. • Parallel lines = same slope = same speed.

9. 1 second 7 feet Exploration Activity Reviewed 5.

10. Exploration Activity Reviewed 6. The intersecting lines shows where the cat catches the mouse. • 20 feet 8. The more vertical the line, the faster the animal.

11. Exploration Activity Reviewed 9. What are your observations?

12. . . Exploration Activity Reviewed 10.

13. Cheetah Chase

14. Warthog and Sable

15. Impala and Hare

16. Interpreting the Graph

17. Top Speed of the Cheetah and its Prey

18. Look for points at exact coordinates ● ●

19. y x Align the triangles appropriately

20. y x 130 feet in 2 seconds

21. Answers Reviewed

22. y x 360 feet in 8 seconds

23. Answers Reviewed

24. y x 180 feet in 2 seconds

25. Answers Reviewed

26. y x 420 feet in 4 seconds

27. Answers Reviewed

28. y x 200 feet in 4 seconds

29. Answers Reviewed

30. Answers Reviewed • The change in y compared to change in x. • The Impala is 2nd fastest. • The Sable and the Warthog.

31. Revisit the Original Question

32. The End