The quadratic function with one parameter Simulation Play

The quadratic function with one parameter and a constant value Simulation Play

The quadratic function with one parameter and a constant value Whiteboard exercise Play

The recipe Animation Play

The unknown on both sides of the equation Student activity Play

The unknown on both sides of the equation Whiteboard exercise Play

The unknown on one side of the equation Student activity Play

The unknown on one side of the equation Whiteboard exercise Play

The unknown on one side of the equation – more difficult problems Student activity Play

The unknowns Whiteboard exercise Play

The value of the number m Whiteboard exercise Play

The volume of one tonne of polystyryne foam Animation Play

The weight of one lemon Animation Play

Think of a number Whiteboard exercise Play

Think of a number Student activity Play

Two copies of one map Student activity Play

Two copies of one map Whiteboard exercise Play

Two different effects of the application of one force Animation Play

Unknown angle in a triangle Animation Play

Unknown side of a triangle Animation Play

Using linear equations to solve practical problems Student activity Play

Various effects of the application of one force Whiteboard exercise Play

Various effects of the application of one force Student activity Play

What percentage of one number is another number? Whiteboard exercise Play

What percentage of one number is another number? Student activity Play