1. Lesson 9-3 Pages 378-380 The Fundamental Counting Principle Lesson Check 9-2

2. What you will learn! How to use multiplication to count outcomes.

3. Fundamental counting principal

4. What you really need to know! If event M can occur in m ways and is followed by event N that can occur in n ways, then the event M followed by N can occur in m n ways. This is called the Fundamental Counting Principle.

5. What you really need to know! Choices x Choices = Number of outcomes

6. Link to Pre-Made Lesson

7. Example 1: The table on the next slide shows the shirts, shorts and shoes in John’s wardrobe. How many possible outfits can he choose consisting of one shirt, one pair of shorts, and one pair of shoes?

8. ShirtsShortsShoes redbluewhiteyellowbeigegreenblueblackbrown 4 x 3 x 2 = 24

9. Example 2: An orchestra has one opening for a violinist, one opening for a cellist, and one opening for a oboist. Three musicians are trying out for violin, five for cello, and three for oboe. Find the number of ways the openings can be filled. A9B11C15D45 3 x 5 x 3 = 45A9B11C15D45

10. Page 379 Guided Practice #’s 5-8

12. Pages 378-379 with someone at home and study examples! Read:

13. Homework: Page 380 #’s 9-16 all #’s 21-26 Lesson Check 9-3

15. Link to 9-3 Review Problems

16. Page 585 Lesson 9-3

17. Lesson Check 9-3