Trapezium rule for a different number of sub-intervals Animation Play

Triangular numbers Animation Play

Triangular numbers Whiteboard exercise Play

Triangular numbers Student activity Play

Triangular numbers Student activity Play

Trick Whiteboard exercise Play

Trick – explanation Animation Play

Two circles Simulation Play

Two handball teams Whiteboard exercise Play

Two-way tables Student activity Play

Types of questions Student activity Play

Types of questions Slideshow Play

Use of a calculator Class activity Play

Use of a calculator Whiteboard presentation Play

Using a trick in finding roots Whiteboard exercise Play

Using a trick in finding roots Student activity Play

Using decimals Whiteboard exercise Play

Using the diagrams in real life Whiteboard exercise Play

Using the nth term rule Student activity Play

Value of algebraic expressions Whiteboard exercise Play

Value of algebraic expressions Student activity Play

Value of an algebraic expression Animation Play

Variables and numbers of equations Slideshow Play

Variance Student activity Play

Variance for grouped data Student activity Play