Reading graphs of linear functions Class activity Play

Reading graphs of linear functions Whiteboard presentation Play

Reading intervals of monotonicity from the graph Whiteboard exercise Play

Reading intervals of monotonicity from the graph Student activity Play

Reading out from the graph the  x- and  y-intercepts of a linear function Simulation Play

Reading the formula from the graph Student activity Play

Reading the formula from the graph of a cosine-like function Whiteboard exercise Play

Reading the formula from the graph of a sine-like function Whiteboard exercise Play

Reading the solutions of the inequality from the graph Whiteboard exercise Play

Recalling trigonometric facts Whiteboard exercise Play

Recalling trigonometric facts Student activity Play

Recent changes in the Earth's temperature Slideshow Play

Recognising reducing agents Student activity Play

Recognising reducing agents Simulation Play

Recombination in bacteria Animation Play

Recover the function Student activity Play

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

Recover the function using a tangent Whiteboard exercise Play

Reduction formulas due to periodicity Student activity Play

Reduction formulas due to periodicity Whiteboard exercise Play

Reduction formulas for trigonometric functions Student activity Play

Reduction formulas for trigonometric functions Whiteboard exercise Play

Refraction of light Student activity Play

Repeated percentage change Class activity Play

Repeated percentage change Whiteboard presentation Play