Learn a concept, then practise it.
Constructing expressions
Turn a description in words into an algebraic expression.
Using expressions and formulae
Substitute numbers into expressions and formulae.
Collecting like terms
Simplify expressions by adding and subtracting like terms.
Expanding brackets
Multiply out a bracket and simplify the result.
Constructing and solving equations
Build an equation from a problem and solve it.
Inequalities
Read and write inequalities and show them on a number line.