The area of a regular hexagon Whiteboard exercise Play

The area of a segment Whiteboard exercise Play

The area of a triangle Student activity Play

The area of a triangle Whiteboard exercise Play

The area of an equilateral triangle Student activity Play

The area of an equilateral triangle Whiteboard exercise Play

The cosine rule Whiteboard presentation Play

The cosine rule Class activity Play

The de Broglie hypothesis Student activity Play

The delayed transmission Animation Play

The derivative of the sine function Student activity Play

The derivative of the sine function Animation Play

The division of electromagnetic waves Student activity Play

The division of electromagnetic waves Chart Play

The division of electromagnetic waves Whiteboard exercise Play

The domain of the trigonometric functions Animation Play

The Doppler effect Animation Play

The Doppler effect Student activity Play

The Doppler effect Whiteboard presentation Play

The Doppler effect and the formation of a shock wave Simulation Play

The Doppler effect and the formation of a shock wave Whiteboard exercise Play

The Doppler effect and the formation of a shock wave Student activity Play

The Doppler effect in the animal world Student activity Play

The Doppler effect in the animal world Whiteboard exercise Play

The efficiency of a loudspeaker Animation Play