A sample of three letters Whiteboard exercise Play

A story of three goats Student activity Play

A trip in three days Animation 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

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

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

Molecules with three or four covalent bonds Whiteboard exercise Play

Molecules with three or four covalent bonds (1) Student activity Play

Molecules with three or four covalent bonds (2) Student activity Play