A sample of three letters Whiteboard exercise Play

A story of three goats Student activity Play

A trip in three days Animation Play

Application of X-rays Student activity Play

Application of X-rays Slideshow Play

Applying the integration by parts method 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

Colouring parts of the circle Whiteboard exercise Play

Comparison of three hypotheses on replication Animation Play

Component parts of the periodic table Animation Play

Compound experiments – three counters in a bag Whiteboard exercise Play

Compounds with three elements Illustration Play

Decimals Student activity Play

Decimals – parts of cubes Whiteboard exercise Play

Determining the parts of the titration apparatus Whiteboard exercise Play

Differences between three types of muscles Whiteboard exercise Play

Dividing 450 euro into three parts Whiteboard exercise Play

Dividing the circle into six equal parts Animation Play

Dividing the segment into six equal parts Whiteboard exercise Play