Frequency polygon Whiteboard exercise Play

Frequency polygon – expected lifetime for men Animation Play

Frequency polygon – influence of soil irrigation on the yield Animation Play

General polygons Student activity Play

How to check directly whether two triangles are congruent Whiteboard exercise Play

How to check directly whether two triangles are congruent Student activity Play

Inscribed circles Whiteboard exercise Play

Inscribed circles, circumscribed polygons Student activity Play

Let's investigate perimeters and areas Student activity Play

Making angles that are multiples of 45° Student activity Play

Making angles that are multiples of 60° Student activity Play

Metric units of area Student activity Play

Metric units of area Whiteboard exercise Play

Names of prisms Animation Play

Number of diagonals of an  n-gon Whiteboard exercise Play

Parallelograms, rectangles, rhombuses and squares – properties of diagonals Student activity Play

Perimeter of a polygon Whiteboard exercise Play

Perimeters of geometric figures Student activity Play

Polygon calculator Simulation Play

Polygons Student activity Play

Polygons Slideshow Play

Polygons Whiteboard exercise Play

Polygons and regular polygons Class activity Play

Polygons and regular polygons Whiteboard presentation Play

Polyhedrons Student activity Play