Learn about and revise vectors and how they can be can be added, subtracted and multiplied by a scalar with this Bitesize GCSE Maths Edexcel guide.

Practise using vector components when adding, subtracting or calculating the magnitude of vectors ahead of your National 5 Maths exam.

Parents and teachers can be assured that a free online maths tutorial provided by McDonald's is not an ad, the International Confederation of Principals says.