A different sound Student activity Play

A linear function – example 1 Student activity Play

A linear function – example 2 Student activity Play

A linear function – example 3 Student activity Play

Adding fractions – example Animation Play

AIDS – an example of a viral disease Whiteboard presentation Play

AIDS – an example of a viral disease Class activity Play

An example of a proof Student activity Play

An example of an exponential inequality Animation Play

Beams and ropes Whiteboard exercise Play

Beams and ropes Student activity Play

Beams and ropes Simulation Play

Cacti as an example of xerophytes Slideshow Play

Changing the subject of the formula – more complex examples Whiteboard exercise Play

Changing the subject of the formula – more complex examples Student activity Play

Complex example Whiteboard exercise Play

Compose a proof Student activity Play

Compression and extension Student activity Play

Describing class intervals Student activity Play

Different ways of proving – example as a proof Whiteboard exercise Play

Divisibility Student activity Play

Ecological succession on a felling site – an example of cooperation Animation Play

Estimation of the roots of a quadratic equation – example Animation Play

Estimation of the roots of a quadratic equation – example Animation Play

Example as a proof Student activity Play