A couple of forces Animation Play

A figure under reflection in the coordinate system Animation Play

A fraction and its decomposition Student activity Play

A grasshopper and numbers Student activity Play

A grasshopper and numbers Whiteboard exercise Play

A ladybird Whiteboard exercise Play

A ladybird's trip Whiteboard exercise Play

A ladybird's trip Student activity Play

A sequence Animation Play

A sequence – matchsticks Whiteboard exercise Play

A simple case Student activity Play

A snail's trip Whiteboard exercise Play

Accuracy of calculations with the mid-ordinate rule Student activity Play

Accuracy of calculations with the mid-ordinate rule Whiteboard exercise Play

Accuracy of Simpson's composite rule Whiteboard exercise Play

Accuracy of Simpson's composite rule Student activity Play

Accuracy of Simpson's rule Whiteboard exercise Play

Accuracy of Simpson's rule Student activity Play

Add or subtract a changing number Student activity Play

Algebraic transformations Animation Play

Altering the x-scale – the rule Student activity Play

Altering the y-scale – the rule Student activity Play

Ambiguous case of the sine rule Animation Play

Anatomy of the reflex arc Student activity Play

Application of the sine rule Animation Play