Diffraction of waves and Huygens' principle Animation Play

Diffraction of waves and Huygens' Principle Student activity Play

Diminution Animation Play

Direct proportionality models Whiteboard exercise Play

Direct proportionality models Student activity Play

Dispersion forces (London forces) Student activity Play

Dispersion forces (London forces) Whiteboard exercise Play

Distance between centres of two circles Whiteboard exercise Play

Distance between points in 3-dimensional space Whiteboard exercise Play

Distance covered by a point on the rim of the wheel Whiteboard exercise Play

Distance formula in 3-dimensional space Student activity Play

Distance from a point to a line Student activity Play

Distance from a point to a line Simulation Play

Distillation Animation Play

Distillation of liquid air Animation 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 Student activity Play

Drawing a triangle symmetrical to a point Whiteboard exercise Play

Drawing an enlargement of the shape Whiteboard exercise Play

Drawing the graph of the function Whiteboard exercise Play