Algebra is where students shift from arithmetic to abstract mathematical thinking. This is a significant cognitive leap and requires thoughtful scaffolding. These free resources provide visual, interactive, and concrete approaches that make algebra accessible and meaningful.
Algebra: From Variables to Functions
Algebra Foundations (Year 7-8)
Khan Academy Intro to Algebra (Year 7-8 Start)
Free comprehensive algebra foundations. Variables, expressions, simple equations. Clear progression building from concrete patterns to symbolic algebra.
National Library of Virtual Manipulatives (Algebra Tiles)
Digital algebra tiles for exploring expressions and equations. Concrete visual representation of abstract algebraic thinking.
NRICH Algebra Tasks (Year 7-8 Path)
Free investigation tasks for patterns, generalisation, and early algebraic thinking. Reasoning-focused approach builds understanding through exploration.
Tip: Algebra tiles are critical for Year 7-8 students transitioning to abstract thinking. Use them for expanding, factorising, and solving equations before purely symbolic work.
Functions & Graphing (Year 8-10)
Desmos Graphing Calculator (Free Online Tool)
Industry-standard graphing tool. Students explore functions, transformations, and relationships visually. Manipulate coefficients and observe changes in real-time.
Desmos Classroom Activities (Algebra-Focused)
Free interactive graphing activities designed for Year 8-10 classrooms. Students explore linear equations, quadratics, and function transformations visually.
Khan Academy Functions Module (Year 9-10)
Free comprehensive coverage of function notation, linear functions, quadratics, and function transformations. Clear progression to senior secondary maths.
Algebra Teaching Strategy Year 7-10
- Start with pattern investigations and concrete examples before symbolic algebra
- Use algebra tiles for expanding, factorising, and solving equations
- Teach using Khan Academy videos for systematic, explicit instruction
- Explore functions and graphs with Desmos continuously from Year 8 onwards
- Incorporate Desmos Classroom Activities for interactive, engaging lessons
- Use NRICH rich tasks fortnightly for reasoning and problem-solving
- Print NSW Education algebra worksheets weekly for consolidation and home practice