A kinetic study on the hydrolysis of methyl ethanoate Animation Play

A rhombus, a parallelogram and a trapezium in coordinates Whiteboard exercise Play

A trapezium and a kite Animation Play

A trapezium and a kite – conclusions Whiteboard exercise Play

Acid-base titration Class activity Play

Acid-base titration Whiteboard presentation Play

Acylation of benzene by the Friedel–Crafts method Whiteboard exercise Play

Acylation of benzene by the Friedel–Crafts method Student activity Play

Adding decimals using the written method Whiteboard exercise Play

Adding decimals using the written method Whiteboard exercise Play

Adding decimals using the written method Student activity Play

Adding decimals using the written method Student activity Play

Adding natural numbers using the written method Student activity Play

Adding using the written method Animation Play

Adding using the written method Whiteboard exercise Play

Addition of forces by means of a parallelogram Student activity Play

Addition of forces by means of a parallelogram Whiteboard exercise Play

Addition of forces by means of a triangle Student activity Play

Addition of vectors Whiteboard exercise Play

Addition of vectors Student activity Play

Algebraic method Animation Play

Alkylation of benzene by the Friedel–Crafts method Whiteboard exercise Play

Alkylation of benzene by the Friedel–Crafts method Student activity Play

Angles and sides of quadrilaterals Student activity Play

Angles in a trapezium Whiteboard exercise Play