Chapter 5 — Inequalities
This chapter is split into one page per lesson, based on the teaching plan’s terms and concepts.
Lesson one-pagers
| Lesson | Topic | One-pager |
|---|---|---|
| 1 | Properties of Inequality | Open |
| 2 | The Exterior Angle Theorem | Open |
| 3 | Triangle Side and Angle Inequalities | Open |
| 4 | The Triangle Inequality Theorem | Open |
What each one-pager contains
- Words to know
- Concepts to know
- Formulas / rules
- Homework helper
- Watch out
- Check
Chapter 5 in one sentence
Inequalities compare unequal lengths and angles; the key tools are the properties of inequality, the Exterior Angle Theorem, side-angle ordering, and the Triangle Inequality Theorem.