Approximating the area under a line in the coordinate system Student activity Play

Approximating the area using strips Animation Play

Approximating the definite integral Animation Play

Approximation error and the number of sub-intervals Simulation Play

Approximation of the area under a curve Whiteboard presentation Play

Area of a trapezium – activity Student activity Play

Area of the isosceles trapezium Whiteboard exercise Play

Area of the trapezium Animation Play

Area under a curve Class activity Play

Area under a curve Whiteboard presentation Play

Areas of polygons Student activity Play

Areas of polygons Whiteboard exercise Play

Areas of polygons Class activity Play

Areas of polygons Whiteboard presentation Play

Areas of polygons made from trapeziums Student activity Play

Areas of polygons made from trapeziums Whiteboard exercise Play

Attraction between current-carrying conductors Animation Play

Basic shapes – a reminder Student activity Play

Basic shapes – a trapezium Whiteboard exercise Play

Billiard ball collisions and the velocity vectors Student activity Play

Causes of ion formation (1) Student activity Play

Centre of enlargement Student activity Play

Circles inscribed and circumscribed around a trapezium Student activity Play

Construction of a frustum of a cone Animation Play

Coordinates of the vertices of the figures Animation Play