The mirror equation Student activity Play

The mirror equation Animation Play

The mirror equation Whiteboard exercise Play

The missing length of the edge of the box Whiteboard exercise Play

The perimeter and the length of a side of a square Whiteboard exercise Play

The perimeter of the rectangle Whiteboard exercise Play

The perimeter of the trapezium Whiteboard exercise Play

The perimeter of the triangle and the diameter of the big circle Animation Play

The period of oscillations of a pendulum Animation Play

The perpendicular bisector of a line segment – a reminder Student activity Play

The position of point B Whiteboard exercise Play

The possible lengths of the edges of the cuboid Whiteboard exercise Play

The power of a lens Animation Play

The power of lenses Whiteboard exercise Play

The power of lenses Student activity Play

The price of fabric Whiteboard exercise Play

The prism Whiteboard exercise Play

The prism Student activity Play

The pyramid Whiteboard exercise Play

The pyramid Student activity Play

The Pythagorean theorem in real life Whiteboard exercise Play

The Pythagorean theorem in real life Student activity Play

The ratios of more than two quantities Student activity Play

The resistance of a wire Animation Play

The resistance of a wire and its dimensions Simulation Play