Algebra

In algebra letters and other symbols are used to represent numbers in equations. Algebra studies how equations involving a mix of numbers and symbols can be manipulated and rearranged.

Algebra gives you the tools to formulate and solve mathematical problems, and develop your reasoning and problem-solving skills.

Watch our videos below to learn how to rearrange and solve linear and quadratic equations.

Click on the 3-bar menu icon in the top left of the video to navigate to different sections. The playlist overview is below.

Playlist order:

1. Substitution into a formula
2. Simplifying algebraic expressions
3. Expanding brackets and collecting like terms 1
4. Expanding brackets and collecting like terms 2
5. Rearranging formulae
6. Solving linear equations 1
7. Solving linear equations 2
8. Solving simultaneous equations
9. Factorising: simple expressions
11. Factorising: quadratics 2 (difference of 2 squares)
13. Completing the square 1
14. Completing the square 2
15. Solving quadratic equations 1 - factorising
16. Solving quadratic equations 2 - formula
17. Solving quadratic equations 3 - completing the square