Raising 10 to a positive integer Whiteboard exercise Play

Rate of change on the straight line Student activity Play

Rates of change Class activity Play

Rates of change Whiteboard presentation Play

Reach the star Game Play

Reactions in the gas phase Animation Play

Reactions occurring at the electrodes Student activity Play

Reading graphs of linear functions Whiteboard presentation Play

Reading graphs of linear functions Class activity Play

Recover the function Student activity Play

Recover the function using a gradient and a tangent Whiteboard exercise Play

Rectangles Student activity Play

Reduction formulas for the cosine Animation Play

Reduction formulas for the sine Animation Play

Road signs Animation Play

Roots of roots – finding true equations Whiteboard exercise Play

Roots of roots – more examples of true or false equations Whiteboard exercise Play

Rounding large numbers Whiteboard exercise 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

Secant and tangent of a function Animation Play

Second-order derivative at a local extremum Student activity Play

Second-order derivative at a local minimum Animation Play

Sets and subsets Whiteboard exercise Play