Rounding large numbers Whiteboard exercise Play

Ruminant stomach – structure and function Animation Play

Rutherford's model of the atom Animation Play

Sales of a computer game Animation Play

Salts of strong acids and weak bases Whiteboard exercise Play

Salts of weak acids and weak bases Student activity Play

Secant and tangent of a function Animation Play

Secrets of functions Animation Play

Sets and subsets Student activity Play

Sets and subsets Whiteboard exercise Play

Similar graphs of similar functions Animation Play

Simplified formula for Pearson's coefficient Student activity Play

Sketching a parabola Student activity Play

Sketching a parabola Whiteboard exercise Play

Sketching the graph of a quadratic function Student activity Play

Sketching the graph of a quadratic function Whiteboard exercise Play

Sketching the parabola Student activity Play

Sketching the parabola Whiteboard exercise Play

Skewness Whiteboard exercise Play

Solving basic trigonometric equations involving the sine function Student activity Play

Solving basic trigonometric equations involving the sine function Whiteboard exercise Play

Solving equations involving the cosine function Animation Play

Solving equations involving the tangent function Animation Play

Solving quadratic inequalities – system of linear equations Animation Play

Solving quadratic inequalities – translation of a graph Animation Play