Range for projectile motion at an angle Student activity Play

Ratio of two quantities of different kinds Whiteboard exercise Play

Ratio of two quantities of different kinds Student activity Play

Reading a graph Whiteboard exercise Play

Reading a graph Student activity Play

Reading from a map Student activity Play

Reading from a map Whiteboard exercise Play

Reading from graphs Whiteboard exercise Play

Reading from graphs Student activity Play

Reading speed from the graph Simulation Play

Reading speed from the graph Student activity Play

Reading the graph Student activity Play

Reflecting telescopes Student activity Play

Reflecting telescopes Animation Play

Refraction of plane waves Whiteboard exercise Play

Refraction of plane waves Student activity Play

Regular polygons – the equilateral triangle Student activity Play

Relationship between distance and time Animation Play

Road signs Animation Play

Roemer's proof Student activity Play

Rolling and rotations Student activity Play

Roots of a polynomial Student activity Play

Rounding a number Animation Play

Satellite television Slideshow Play

Satellite television Student activity Play