Differentiation rules (1) Whiteboard presentation Play

Dividing a sum by a monomial Animation Play

Divisibility Student activity Play

Drawing a scalar multiple Animation Play

Effective rate Student activity Play

Effective rate Whiteboard exercise Play

Example of derivative of the sum Animation Play

Example of proof Animation Play

Example of using an algebraic expression Whiteboard exercise Play

Example of using an algebraic expression Whiteboard exercise Play

Examples of algebraic expressions Animation Play

Examples of divisibility Animation Play

Expanding the squares of the sums Whiteboard exercise Play

Exterior angle of a triangle – exercises Student activity Play

Exterior angle of a triangle – observation and proof Student activity Play

Exterior angle of a triangle – proof Animation Play

Factorisation Animation Play

Factorisation (by grouping) Class activity Play

Factorisation (by grouping) Whiteboard presentation Play

Factorisation (other methods) Class activity Play

Factorisation (other methods) Whiteboard presentation Play

Factorising a trinomial by algebraic manipulation Animation Play

Factorising algebraic expressions Animation Play

Factorising algebraic expressions Student activity Play

Facts and assumptions Student activity Play