A moving ray Animation Play

An angle as a rotation Student activity Play

An angle as a rotation Whiteboard exercise Play

Calculating moment Student activity Play

Calculating unknown distances Animation Play

Clockwise rotation around the centre Whiteboard exercise Play

Finding the values of trigonometric functions Whiteboard exercise Play

Rotation Whiteboard exercise Play

Rotation Student activity Play

Rotation in the coordinate system Student activity Play

Rotation in the coordinate system Whiteboard exercise Play

Similarity – examples and definition Student activity Play

Symmetries with respect to two perpendicular lines Student activity Play

Symmetries with respect to two perpendicular lines Whiteboard exercise Play

The balanced seesaw Animation Play

The principle of moment Whiteboard exercise Play

The principle of moment Student activity Play

The shape that matches the description Whiteboard exercise Play

Trigonometric functions Student activity Play

Two perpendicular symmetry lines Animation Play

What is similarity? Animation Play