1. Daily Homework Quiz For use after Lesson 12. 6
Find the number of combinations.
1. 12C5 2. 25C2
• Have a book to read or something to
work on for when you finish your
homework.
• You will have time to study for your
quiz and work on late work today or
other homework today.

2. Daily Homework Quiz For use after Lesson 12. 6
Find the number of combinations.
1. 12C5
ANSWER 792
2. 25C2
ANSWER 300
• Have a book to read or something to
work on for when you finish your
homework.
• You will have time to study for your
quiz and work on late work today or
other homework today.

3. Combinations
Section 12.6

4. Essential Questions
• What are the differences between
permutations and combinations?
• What are the differences between odds
and probability?
• How is probability used to make
predictions?
• What are the differences between
experimental and theoretical probabilities?

5. • For the All-Star softball team, 4 players
were chosen from the eligible players on
each team. The Mighty Titans had 10
eligible players. How many different All-
Star team selections could have been
chosen? (remember – order is not
important)
• 10C4 = 210

6. • Four of 9 students will be selected for the
MathCounts competition. How many
different teams could be selected?
• 9C4 = 126

7. Page 683
6C2 = 210
18C2 = 153

8. Page 683
15C5 = 792
9C4 = 126

9. Page 683
C. 5C3 = 10

10. Page 683

11. Homework
• Worksheet 12.6
• Quiz tomorrow over 12.4-12.6.
• Online scientific calculator.
– www.lewiscentral.k12.ia.us/shipp
When finished with homework,
Read section 7.8 page 380
sections 12-4 – 12.5 page 670- 682