Learn how to perform order of operations using BIDMAS with BBC Bitesize Maths. For students between the ages of 11 and 14.

The seemingly simple problem is designed to trip up the solver over order of operations: the sequence in which you complete the different components of an equation.

To help students in the United States remember this order of operations, teachers drill the acronym PEMDAS into them: parentheses, exponents, multiplication, division, addition, subtraction.