The area of a parallelogram Student activity Play

The area of a plane shape Animation Play

The area of an irregular figure Animation Play

The areas of similar figures Animation Play

The concept of a set Student activity Play

The distance between two points in the plane Whiteboard exercise Play

The distance between two points in the plane Student activity Play

The effects of friction Student activity Play

The effects of friction Animation Play

The figure and its symmetry Whiteboard exercise Play

The figures symmetric with respect to the marked point Whiteboard exercise Play

The figures under enlargements Whiteboard exercise Play

The intensity of a wave Class activity Play

The intensity of a wave Whiteboard presentation Play

The Law of Reflection Whiteboard exercise Play

The Law of Reflection Student activity Play

The Law of Reflection Simulation Play

The Law of Wave Refraction Whiteboard exercise Play

The Law of Wave Refraction Animation Play

The Law of Wave Refraction Student activity Play

The length of a vector on the plane Animation Play

The lunes of Hippocrates Student activity Play

The magnitude of a vector on the plane Whiteboard exercise Play

The magnitude of a vector on the plane Student activity Play

The moon-shaped figures Animation Play