The highest common factor Student activity Play

The least squares method Whiteboard exercise Play

The least squares method Student activity Play

The light microscope Student activity Play

The method of finding lcm(a, b) Animation Play

The method of finding the sum of vectors Animation Play

The method of 'halving the arcs' Whiteboard exercise Play

The parallelogram rule Student activity Play

The parts of ear Whiteboard exercise Play

The parts of Paramecium Whiteboard exercise Play

The parts of the digestive system and their functions Whiteboard exercise Play

The parts of the neurone Illustration Play

The parts of the small intestine wall Whiteboard exercise Play

The pH scale Student activity Play

The Punnett square Student activity Play

The Punnett square Slideshow Play

The quickest method Animation Play

The ratio of the parts Student activity Play

The reaction between bromate and bromide ions Animation Play

The secant method Animation Play

The secant method Student activity Play

The sign graph method Animation Play

The sizes of different cells and their parts Whiteboard exercise Play

The sizes of different organisms and their parts Whiteboard exercise Play

The systematic-sampling method Animation Play