Finding the centre of a circle Student activity Play

Finding the centre of a circle Simulation Play

Fractions on the real axis Student activity Play

Geometric problems Student activity Play

How do we construct a rectangle? Animation Play

How do we construct a rhombus? Animation Play

How to construct a line parallel to a given line Student activity Play

How to construct a line perpendicular to a given line Student activity Play

How to construct a line perpendicular to a given line Animation Play

How to construct a perpendicular bisector Animation Play

How to construct an equilateral triangle Student activity Play

How to construct an equilateral triangle Animation Play

How to construct an isosceles triangle Student activity Play

How to construct the perpendicular bisector of a segment Student activity Play

How to construct 'Yin Yang' Animation Play

How to draw a number line? Animation Play

Impossible constructions Animation Play

Inscribing a square into a circle Whiteboard exercise Play

Is this ruler balanced? Simulation Play

Length constructions Simulation Play

Length constructions Student activity Play

Locus of all the points equidistant from two points Simulation Play

Making angles that are multiples of 60° Student activity Play

Measures of length Whiteboard exercise Play

Measures of length Student activity Play