Focal point of a convex mirror Student activity Play

Focusing of rays Student activity Play

Formula for the number of squares – a polygon Whiteboard exercise Play

Frequency density polygon Animation Play

Frequency density polygon Student activity Play

Frequency density polygon – Michelson's data Whiteboard exercise Play

Frequency polygon Student activity Play

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

Images in convex mirrors Student activity Play

Images in convex mirrors Whiteboard exercise 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

Optical power Student activity Play

Optical power Simulation Play

Perimeter of a polygon Whiteboard exercise Play