- Lesson plan
- Handout: Combinations
- In-class exercise - page 1
- In-class exercise - page 2
- Homework - page 1
- Homework - page 2
- Homework - page 3
- Practice competition instructions
- Practice competition #1 - Probability: Page 1
- Practice competition #1 - Probability: Page 2
- Practice competition #2 - Number Sense: Page 1
- Practice competition #2 - Number Sense: Page 2
- Answers

Note: Practice competitions are meant for use in a second one-hour class on a weekly basis. They are fun. They reinforce recently learned concepts and give students practice working in teams.