Enlarging the right-angled triangle – the basic property Simulation Play

Enlarging the square – the basic property Simulation Play

Equations with  cos(ax) Student activity Play

Finding the concentration of a solution by titration Student activity Play

Finding the reciprocals of basic trigonometric ratios Whiteboard exercise Play

Functions – basic notions Class activity Play

Functions – basic notions Whiteboard presentation Play

Milk – the basic food of all mammals Student activity Play

Milk – the basic food of all mammals Whiteboard exercise Play

Paper sizes Student activity Play

pH range of alkaline buffer Animation Play

pH range of an ethanoic acid/sodium ethanoate buffer Animation Play

Properties characteristic for basic oxides Slideshow Play

Reciprocals of basic trigonometric ratios Student activity Play

Solving basic trigonometric equations Student activity Play

Solving basic trigonometric equations Whiteboard exercise Play

Solving basic trigonometric equations involving the sine function Whiteboard exercise Play

Solving basic trigonometric equations involving the sine function Student activity Play

The basic mechanisms of evolution Slideshow Play

The basic properties of matter in its three different physical states Whiteboard exercise Play

The basic properties of metal oxides Student activity Play

The basic properties of metal oxides Whiteboard exercise Play

The basic properties of the hydroxides of alkali metals Whiteboard exercise Play

The basic properties of the hydroxides of alkali metals Student activity Play

The basic properties of the oxides of alkali metals Student activity Play