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 rounded value of the square root Animation Play

Reading the solutions of the inequality from the graph Whiteboard exercise 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

Reducing to vertex form Whiteboard exercise Play

Reducing to vertex form Student activity Play

Reducing to vertex form – example Animation 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

Representing a quadratic function in vertex form Whiteboard exercise Play

Representing a quadratic function in vertex form Student activity Play

Representing a quadratic function in vertex form by completing the square Student activity Play

Representing a quadratic function in vertex form using the discriminant Student activity Play

Ribosomes – structure and function Slideshow Play

Risk of omission Student activity Play

Risk of omission Animation Play

Root Illustration Play

Root chemotropism Animation Play

Root hair Whiteboard exercise Play