2-D shapes Student activity Play

2-D shapes Whiteboard exercise Play

2-D shapes around you Slideshow Play

2D and 3D interference Student activity Play

2D and 3D interference Animation Play

A big cube made of 27 small cubes Whiteboard exercise Play

A chord and a diameter of a circle Student activity Play

A circular arc Student activity Play

A grey body Animation Play

A grey body Student activity Play

A line and a point of symmetry Animation Play

A line of symmetry and a rotation through 90° Animation Play

A mirror and a light bulb Simulation Play

A mirror and a light bulb Student activity Play

A photo of the bee Whiteboard exercise Play

A space colony – factorisation makes calculations easier Student activity Play

A symmetrical triangle on squared paper Student activity Play

Acquired or inherited traits? Student activity Play

Adaptation of the arrowhead to a deep-water environment Animation Play

Adaptation of the arrowhead to a shallow-water environment Animation Play

Adding and subtracting arbitrary decimals Student activity Play

Adding and subtracting arbitrary decimals Whiteboard exercise Play

Adjusting sharpness Student activity Play

Adjusting sharpness Simulation Play

Air drag Whiteboard presentation Play