A series of exercises designed to practice the correct order of operations: Brackets, Indices, Division, Multiplication, Addition, Subtraction (BIDMAS). There are a total of 336 questions, organised in to 5 exercises (Levels) containing 4 to 9 sets of 8 questions, ensuring there are plenty of questions to master this topic. Solutions are provided for every question.
Level 1 introduced BIDMAS with sets of questions containing the four basic operations (addition, subtraction, multiplication and division) only.
Level 2 adds brackets to the four basic operation.
Level 3 requires to the student to add brackets to existing equations with the four basic operations to make them correct.
Level 4 adds roots and indices to the brackets and the four basic operations.
Level 5 concludes with nested brackets (brackets inside brackets).
This topic corresponds to section N2 of the Edexcel GCSE Mathematics specification.
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