Construction of a triangle Animation Play

Construction of bisectors Simulation Play

Construction of regular polygons Student activity Play

Construction of triangles Animation Play

Corresponding sides Whiteboard exercise Play

Corresponding sides and angles Student activity Play

Cube roots Student activity Play

Curved space Whiteboard exercise Play

Curved space Student activity Play

Curved space Animation Play

Demonstration of the formula for the area of a triangle Whiteboard exercise Play

Diagonals and sides of polygons Whiteboard exercise Play

Diagonals of polygons Student activity Play

Distance formula in 3-dimensional space Student activity Play

Dividing an n-sided polygon into triangles Animation Play

Dividing into a given ratio Student activity Play

Dividing the polygon into triangles Whiteboard exercise Play

Drawing a parallelogram Whiteboard exercise Play

Drawing a parallelogram and calculating its area Whiteboard exercise Play

Enlargement – the basic property Student activity Play

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

Enlarging the square – the basic property Simulation Play

Equally likely outcomes Student activity Play

Estimation of the volume Animation Play

Figures made up from four strips Animation Play