A diameter Animation Play

A segment and a position vector of its midpoint Simulation Play

Accuracy of calculations with the mid-ordinate rule Student activity Play

Angle bisector Student activity Play

Approximating area by rectangles Student activity Play

Centroid of a triangle Animation Play

Chord bisector goes through the centre Student activity Play

Chords and diameters Student activity Play

Construction of a regular pentagon Animation Play

Coordinates of a midpoint Student activity Play

Coordinates of a midpoint Simulation Play

Coordinates of midpoints of line segments Whiteboard presentation Play

Coordinates of midpoints of line segments Class activity Play

Equal segments Animation Play

Example of sketching a parabola Animation Play

Finding images under symmetry Student activity Play

Frequency density Animation Play

Frequency density Student activity Play

Frequency density polygon Student activity Play

Frequency density polygon Animation Play

Frequency density polygon – Michelson's data Whiteboard exercise Play

Frequency polygon Student activity Play

Frequency polygon – expected lifetime for men Animation Play

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

Frequency table Student activity Play