More and less accurate rounding Whiteboard exercise Play

Moving the parabola along the x-axis Student activity Play

Moving the parabola along the y-axis Student activity Play

Moving the parabola along the  x-axis Whiteboard exercise Play

Moving the parabola along the  y-axis Whiteboard exercise Play

Negative numbers on the number line Whiteboard exercise Play

Observations Student activity Play

Observations Whiteboard exercise Play

Parabola and a straight line Animation Play

Parabola and a tangent line Simulation Play

Points and a parabola Animation Play

Points of intersection of a parabola and a straight line Student activity Play

Points of intersection of a parabola and a straight line Whiteboard exercise Play

Properties to be expected from a probability measure Student activity Play

Quadratic equation Student activity Play

Quadratic function (1) Class activity Play

Quadratic function (1) Whiteboard presentation Play

Quadratic functions in the factorised form Whiteboard exercise Play

Quadratic functions in the factorised form Animation Play

Quadratic functions in the factorised form Student activity Play

Quadratic functions, graphs Class activity Play

Quadratic functions, graphs Whiteboard presentation Play

Quadratic inequalities and geometry Student activity Play

Quadratic inequalities and geometry – a tunnel Whiteboard exercise Play

Quadratic inequalities with one and with two unknowns Student activity Play