Molecular formula Student activity Play

Money calculations – reckoning Student activity Play

More difficult problem involving proportion Student activity Play

More difficult problem involving proportion Whiteboard exercise Play

Multiplying and dividing algebraic fractions Student activity Play

Multiplying surds Student activity Play

Non-stoichiometric ratio of quantities of reactants Student activity Play

Non-stoichiometric ratio of quantities of reactants Whiteboard exercise Play

Non-terminating decimals and irrational numbers Whiteboard exercise Play

Non-terminating decimals and irrational numbers Student activity Play

Number π Animation Play

Odds against the event Whiteboard exercise Play

Other trigonometric ratios Student activity Play

Other trigonometric ratios Whiteboard exercise Play

Paper sizes Student activity Play

Parts of a circle's circumference Student activity Play

Passage to a different medium Student activity Play

Passage to a different medium Simulation Play

Pink paint Whiteboard exercise Play

Prizes in a competition Whiteboard exercise Play

Problem solving using a spreadsheet Student activity Play

Problems involving proportion Student activity Play

Problems involving proportion Whiteboard exercise Play

Properties of similar polygons Student activity Play

Properties of trigonometric functions of a general angle (1) Class activity Play