Rounding decimals to 0.1 or to 0.01 Animation Play

Rounding decimals to 10–1 or to 10–2 Student activity Play

Rounding large numbers Whiteboard exercise Play

Ruler-and-compass constructions Class activity Play

Ruler-and-compass constructions Whiteboard presentation Play

Ruler-and-compass constructions, locus (1) Whiteboard presentation Play

Ruler-and-compass constructions, locus (1) Class activity Play

SAS property of similar triangles Student activity Play

Satellite television Whiteboard exercise Play

Satellite television Student activity Play

Satellites Animation Play

Ships Animation Play

Side-Angle-Side property (SAS) Whiteboard exercise Play

Sign of values of trigonometric functions Whiteboard exercise Play

Silver halides in photography Student activity Play

Simplified formula for Pearson's coefficient Student activity Play

Skewness Whiteboard exercise Play

Solubility Animation Play

Solving equations involving the tangent function Animation Play

Solving problems Student activity Play

Solving problems Student activity Play

Solving problems involving circles Whiteboard presentation Play

Solving problems involving circles Class activity Play

Solving problems involving trigonometric ratios Class activity Play

Solving problems involving trigonometric ratios Whiteboard presentation Play