- Lesson plan
- Angle rules handout
- Triangle angle cutout for in-class
- 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: Measurement
- Practice competition #2: Geometry (page 1)
- Practice competition #2: Geometry (page 2)
- Answers

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