Basic Algebra

IGCSE 0580

Know that letters can be used to represent generalised numbers.

Substitute numbers into expressions and formulas.

Simplify expressions by collecting like terms.

Expand products of algebraic expressions.

Everything in Core and:

Expand products of more than two brackets, e.g. expand (x-2)(x+3)(2x + 1).

This is a very basic video on why we use letters in Math.

We can only add "like terms" in Algebra

Know the difference between "x plus x" and "x times x"

Multiplying in Algebra can look difficult, but if you take it step by step it's not that bad 🙂

Expanding brackets - Make sure you don't make the mistake everyone makes!

Here are some algebra questions that you can try on your own.