Justification of the cotangent function identity Animation Play

Justification of the tangent function identity Animation Play

Leaf structure and functions Slideshow Play

Lena's method Animation Play

Lena's temperature change Whiteboard exercise Play

'Less by two times' and 'less by three times' functions Whiteboard exercise Play

Light refraction Student activity Play

Light refraction Whiteboard exercise Play

Linear function Whiteboard presentation Play

Linear function Class activity Play

Linear function Whiteboard exercise Play

Linear function Student activity Play

Linear function Simulation Play

Linear function y = ax and its graph Student activity Play

Linear function and properties of its graph Whiteboard exercise Play

Linear functions and their graphs in real life Whiteboard presentation Play

Linear functions and their graphs in real life Class activity Play

Linear function  y = ax  and its graph for  a > 0 Student activity Play

Lipids – structure; function and sources in food Student activity Play

Lipids – the energy source of the cell Student activity Play

Litres and cubic centimetres Student activity Play

Logarithm function Animation Play

Looking for the formula for a trigonometric function Student activity Play

Looking for the formula for a trigonometric function Simulation Play

Looking for the number of roots Whiteboard exercise Play