Finding the centre of the incircle of the triangle Simulation Play

Force arm Whiteboard exercise Play

Force arm Student activity Play

Forces in constructions Animation Play

Frustum of a cone Student activity Play

Geometric construction of a parabola Animation Play

Geometric problems Student activity Play

How an arch is used in constructions Animation 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 Animation Play

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

How to construct a perpendicular bisector Animation Play

How to construct an equilateral triangle Animation Play

How to construct an equilateral triangle Student activity Play

How to construct an isosceles triangle Student activity Play

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

How to multiply a sum by a monomial Student activity Play

Hydrogen bomb Animation Play

Hydrogen bomb Student activity Play

Hydrogen bomb Whiteboard exercise Play

Impossible constructions Animation Play

Inverse function Whiteboard presentation Play

Inverse function Class activity Play