Distance from a point to a line Simulation Play

Divide a plane into half-planes Student activity Play

Dividing a plane into half-planes Whiteboard exercise Play

Dividing a plane into half-planes Whiteboard exercise Play

Division of mutations Illustration Play

Drawing a graph of a linear function Animation Play

Drawing a graph of the function Animation Play

Drawing a triangle symmetrical to a point Whiteboard exercise Play

Drawing a triangle symmetrical to a point Student activity Play

Drawing an enlargement of the shape Whiteboard exercise Play

Drawing the graph of the function Whiteboard exercise Play

Drawing the tangent Animation Play

Effects of point mutations Student activity Play

Electric field of a point charge Whiteboard exercise Play

Electric field of a point charge Student activity Play

Electric field of a point charge Simulation Play

Electric field of a system of point charges Slideshow Play

Electric field of a system of point charges Whiteboard exercise Play

Electric field of a system of point charges Student activity Play

Elements Whiteboard presentation Play

Elements Class activity Play

Emptying a bathtub Whiteboard exercise Play

Enlargement on the plane Animation Play

Enlargement with centre at point (0, 0) Animation Play

Enlargements in the coordinate system Whiteboard exercise Play