Quadratic inequalities – using a parameter Animation Play

Range of trigonometric functions Whiteboard exercise Play

Range of trigonometric functions Student activity Play

Rate equation and order of reaction Student activity Play

Rate equation and order of reaction Whiteboard exercise Play

Rational equations Whiteboard exercise Play

Ratios Whiteboard presentation Play

Ratios Class activity Play

Reaction of sodium with water Animation Play

Reaction of sodium with water Animation Play

Reaction of zinc metal with hydrochloric acid Animation Play

Reaction yields Whiteboard exercise Play

Reaction yields Student activity Play

Reactions between Group 1 and 2 metals and water Student activity Play

Reactions between Period 3 elements and water Whiteboard exercise Play

Reactions between Period 3 elements and water (2) Student activity Play

Reactions in the gaseous phase Whiteboard exercise Play

Reactions in the gaseous phase Student activity Play

Reading from the graph of the cosine function Student activity Play

Reading out from the graph the  x- and  y-intercepts of a linear function Simulation Play

Reading properties of the cosine from the graph Whiteboard exercise Play

Reasons for the high reactivity of alkenes (2) Student activity Play

Recalling trigonometric facts Whiteboard exercise Play

Recalling trigonometric facts Student activity Play

Reciprocals of basic trigonometric ratios Student activity Play