The area of a square Animation Play

The area of cultivation Whiteboard exercise Play

The area of the rectangle Whiteboard exercise Play

The bisection method Student activity Play

The brick and the jars on the balance Whiteboard exercise Play

The Bunsen burner Student activity Play

The chemical composition of plants Student activity Play

The chloride ion as a ligand Whiteboard exercise Play

The chloride ion as a ligand Student activity Play

The circle and its equation Animation Play

The circle with centre at the origin Whiteboard exercise Play

The circle with centre at the origin Student activity Play

The combustion of biomass Whiteboard exercise Play

The combustion of biomass Student activity Play

The combustion of biomass Slideshow Play

The combustion of biomass Simulation Play

The combustion of ethanol Animation Play

The combustion of hydrocarbons Animation Play

The combustion of hydrocarbons Animation Play

The coordinates of the marked points Whiteboard exercise Play

The degree of a differential equation Whiteboard exercise Play

The diameter of the tree Animation Play

The different rates of chemical reactions Animation Play

The different rates of chemical reactions Student activity Play

The discriminant of a quadratic equation Student activity Play