Common factor – a sum of monomials Whiteboard exercise Play

Compose a proof Student activity Play

Composition of translations Student activity Play

Constructing a proof from a demonstration Student activity Play

Convergent series Animation Play

Demonstration of a theorem Animation Play

Determining angles Whiteboard exercise Play

Difference of squares Student activity Play

Differentiation rules (1) Class activity Play

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

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

Facts and assumptions Student activity Play

Facts and assumptions – the sum of the numbers Whiteboard exercise Play