A circle circumscribed about a regular pentagon Whiteboard exercise Play

A regular arrangement of the substituents Animation Play

A regular pentagon Student activity Play

A star Animation Play

A zero within a given interval Animation Play

Approximating area by rectangles Student activity Play

Approximating area by rectangles Whiteboard exercise Play

Approximating area by rectangles and trapeziums Student activity Play

Approximating area by rectangles and trapeziums Whiteboard exercise Play

Approximating area by trapeziums Whiteboard exercise Play

Approximating area by trapeziums Student activity Play

Basic trigonometric equation Animation Play

Body of a sportsman – regular training makes you strong Student activity Play

Body of a sportsman – regular training makes you strong Whiteboard exercise Play

Building a regular polygon Whiteboard exercise Play

Common polygons Student activity Play

Construction of a regular pentagon Animation Play

Construction of regular polygons Simulation Play

Construction of regular polygons Student activity Play

Describing class intervals Student activity Play

Describing class intervals – alto singers Whiteboard exercise Play

Describing class intervals – speed of light Whiteboard exercise Play

Describing the gradient of a curve Whiteboard exercise Play

Describing the gradient of a curve Student activity Play

Detecting outliers Student activity Play