Area of the isosceles trapezium Whiteboard exercise Play

Area of the trapezium Animation Play

Area under a curve Whiteboard presentation Play

Area under a curve Class activity Play

Areas of polygons Class activity Play

Areas of polygons Whiteboard exercise Play

Areas of polygons Student activity Play

Areas of polygons Whiteboard presentation Play

Areas of polygons made from trapeziums Whiteboard exercise Play

Areas of polygons made from trapeziums Student activity Play

Average Animation Play

Basic shapes – a reminder Student activity Play

Basic shapes – a trapezium Whiteboard exercise Play

Biocoenoses – method of study Student activity Play

Biocoenoses – method of study Whiteboard exercise Play

Biofiltration method Slideshow Play

Biological methods of controlling plant diseases Illustration Play

Bromide-bromate reaction: a kinetic study 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

Cyclic quadrilaterals Student activity Play

Cyclic trapeziums Whiteboard exercise Play

Diagonals of the trapezium Whiteboard exercise Play