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 Student activity Play

Kinds of triangles – classification by sides Simulation Play

Kites Student activity Play

Length constructions Student activity Play

Length of a side of a cube Whiteboard exercise Play

Making a triangle Animation Play

Many different rectangles Student activity Play

Melting and boiling points Illustration Play

Miscellaneous problems Student activity Play

Mixed problems Student activity Play

Note Animation Play

Number of all sections of a cube Whiteboard exercise Play

Number of diagonals of an  n-gon Whiteboard exercise Play