Egyptian pyramids Animation Play

Elements of a pyramid Whiteboard exercise Play

Elements of a pyramid Student activity Play

Examples of 3-D shapes Animation Play

Examples of 3-D shapes Student activity Play

Finding volumes of solids Student activity Play

Food pyramid Animation Play

How a pyramid of numbers works Animation Play

How often? Student activity Play

How to construct an isosceles triangle Student activity Play

Isosceles trapeziums Simulation Play

Isosceles triangles Whiteboard exercise Play

Isosceles triangles Whiteboard exercise Play

Isosceles triangles and symmetry Student activity Play

Isosceles triangles and symmetry Whiteboard exercise Play

Isosceles triangles – solving problems Whiteboard exercise Play

Isosceles triangles – solving problems 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

Miscellaneous problems Student activity Play

Molecules with six electron pairs Student activity Play

More constructions Student activity Play