Rotation is a transformation Student activity Play

Rotation versus the position of equilibrium Slideshow Play

Rotation versus the position of equilibrium Student activity Play

Rotation versus the position of equilibrium Whiteboard exercise Play

Rounding large numbers Whiteboard exercise Play

Ruler-and-compass constructions Whiteboard presentation Play

Ruler-and-compass constructions Class activity Play

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

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

Rutherford's model of the atom Animation Play

Salts of strong acids and weak bases Whiteboard exercise Play

Salts of weak acids and weak bases Student activity Play

SAS property of similar triangles Student activity Play

Satellite television Student activity Play

Satellite television Whiteboard exercise Play

Satellites Animation Play

Sets and subsets Whiteboard exercise Play

Sets and subsets Student activity Play

Ships Animation Play

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

Sign of values of trigonometric functions Whiteboard exercise Play

Simplified formula for Pearson's coefficient Student activity Play

Skewness Whiteboard exercise Play

Solving equations involving the tangent function Animation Play

Solving problems Student activity Play