Huygens' Principle Student activity Play

Implicit function describing a second-degree curve Animation Play

Influence of the concentrations of substances on the position of equilibrium Illustration Play

Internal stimuli and their receptors Whiteboard exercise Play

Introduction Animation Play

Isomerism in the haloalkanes Student activity Play

Le Chatelier's principle Student activity Play

List of billionaires Animation Play

Measures of central tendency Animation Play

Methods of describing continuous variation Student activity Play

Methods of describing continuous variation Whiteboard exercise Play

Mutual position and number of common points of two circles Student activity Play

Mutual position and number of common points of two circles Whiteboard exercise Play

Mutual position of a circle and a line Whiteboard exercise Play

Mutual position of a circle and a line Student activity Play

Mutual position of a line and a circle Class activity Play

Mutual position of a line and a circle Whiteboard presentation Play

Mutual position of lines and interior angles in a triangle Class activity Play

Mutual position of lines and interior angles in a triangle Whiteboard presentation Play

Mutual position of two circles Whiteboard exercise Play

Mutual position of two circles Class activity Play

Mutual position of two circles Student activity Play

Mutual position of two circles Whiteboard presentation Play

Mutual position of two circles and the distance between their centres Whiteboard exercise Play

Mutual position of two circles in the coordinate system Student activity Play