Algebra 1
Suitable Age Group: Ages 14–15
Grade Reference
| 🇺🇸 United States | Grade 9 (Freshman) – Grade 10 (Sophomore) |
| 🇬🇧 United Kingdom | Year 9 – Year 10 (GCSE) |
| 🇮🇳 India | Class 9 – Class 10 (Board Exam) |
| 🇳🇬 Nigeria | JSS 3 – SS 1 |
| 🇿🇦 South Africa | Grade 9 – Grade 10 |
| 🇦🇺 Australia | Year 9 – Year 10 |
| 🇨🇦 Canada | Grade 9 – Grade 10 |
About This Textbook
A complete, standards-aligned Algebra 1 curriculum covering linear equations, inequalities, functions, exponential functions, polynomials, and quadratic equations. Based on Illustrative Mathematics and OpenStax materials, designed for Grade 9 students.
Table of Contents
Linear Equations — Linear Inequalities and Systems — Two-Variable Statistics — Functions — Introduction to Exponential Functions — Working with Polynomials — Introduction to Quadratic Functions — Quadratic Equations — More Quadratic Equations