A perpendicular through a point off the line Student activity Play

A perpendicular through a point on the line Student activity Play

A perpendicular through a point on the line Simulation Play

A polygon inscribed in a circle Student activity Play

A prism Whiteboard exercise Play

A prism Student activity Play

A prism Slideshow Play

A puzzle on a painted cube Whiteboard exercise Play

A puzzle on a painted cube Student activity Play

A quadrilateral inscribed in a circle Whiteboard exercise Play

A radio tower Student activity Play

A regular pentagon Student activity Play

A right-angled triangle Student activity Play

A right-angled triangle – adjacent side Whiteboard exercise Play

A right-angled triangle – opposite side Whiteboard exercise Play

A shortcut Animation Play

A simple hydraulic machine Animation Play

A square and a circle Student activity Play

A square and a straight line Student activity Play

A square and a straight line Simulation Play

A square root Animation Play

A square root Student activity Play

A symmetrical triangle on non-squared paper Student activity Play

A symmetrical triangle on squared paper Whiteboard exercise Play

A symmetrical triangle on squared paper Student activity Play