A sample of three letters Whiteboard exercise Play

A story of three goats Student activity Play

A trip in three days Animation Play

An eye Whiteboard presentation Play

Approximating square root of three Whiteboard exercise Play

Arrangements in a ring – three men and three women Whiteboard exercise Play

Arrangements in a ring – three men and two women Whiteboard exercise Play

Balls in three letter boxes Whiteboard exercise Play

Balls in three letter boxes – exercise Whiteboard exercise Play

Cartesian coordinate system of 3-dimensional space Whiteboard exercise Play

Colour perception Student activity Play

Colour vision Student activity Play

Comparison of three hypotheses on replication Animation Play

Compound experiments – three counters in a bag Whiteboard exercise Play

Compounds with three elements Illustration Play

Differences between three types of muscles Whiteboard exercise Play

Distance formula in 3-dimensional space Student activity Play

Dividing 450 euro into three parts Whiteboard exercise Play

Division into three parts in a given ratio Animation Play

Division into three parts in a given ratio Student activity Play

Drawing three balls Animation Play

Drawing three balls from the bowl Whiteboard exercise Play

Getting six twice in three rolls of a die Animation Play

'Less by two times' and 'less by three times' functions Whiteboard exercise Play

Molecules with three or four covalent bonds Whiteboard exercise Play