Pyramids Student activity Play

Pythagoras' theorem – geometric proof Student activity Play

Random numbers Whiteboard exercise Play

Random sampling using a calculator Animation Play

Random sampling using a calculator Student activity Play

Rectangles in LOGO Student activity Play

Red and green marbles Animation Play

Regular polygons Simulation Play

Regular polygons – the dodecagon Student activity Play

Regular shapes Student activity Play

Shapes in a graphic calculator Simulation Play

Shapes in graphic calculators Student activity Play

Shoes completing Animation Play

Sum of events Student activity Play

Sum of events Whiteboard exercise Play

Tangents Student activity Play

The area of a parallelogram Student activity Play

The data collected by Lena Animation Play

The height of the tulip Whiteboard exercise Play

The high the antenna on the mountain top Whiteboard exercise Play

The LOGO commands to obtain the given triangle Whiteboard exercise Play

The medieval octagon Animation Play

The origin and 'something' Student activity Play

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

The perpendicular bisectors Simulation Play