Five missing numbers Whiteboard exercise Play

Foolscap paper Animation Play

Formulas Student activity Play

Geometric problems Student activity Play

Graph of a function  y = ax Student activity Play

Harry's formula Animation Play

Heron's formula for the triangle Student activity Play

Heron's formula for the triangle Whiteboard exercise Play

Hot-air balloons Animation Play

How to construct a regular hexagon Animation Play

How to translate a figure by a vector Animation Play

In how many ways can it happen? Student activity Play

Inscribed circles Whiteboard exercise Play

Inscribed circles, circumscribed polygons Student activity Play

Interesting fact Animation Play

Interesting information Animation Play

Is a practical demonstration reliable? Student activity Play

Isosceles triangles and symmetry Student activity Play

Isosceles triangles – solving problems Whiteboard exercise Play

Kinds of triangles – classification by angles Student activity Play

Kinds of triangles – classification by angles and sides Simulation Play

Kinds of triangles – classification by sides Simulation Play

Kinds of triangles – classification by sides Student activity Play

Length constructions Student activity Play

Length of a side of a cube Whiteboard exercise Play