Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points. Learn about graphs of trigonometric functions in this National 5 Maths guide.

Executive functions play an important role in early maths, says Rosemary O’Connor, from a University of Oxford team who have developed a programme to embed these crucial mental skills into fun maths ...

To sketch a quadratic function you must first determine the roots, nature and coordinates of the turning point and the y-intercept. Practice sketching a quadratic function ahead of your National 5 ...