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What BIDMAS means

What BIDMAS means

Flowchart showing BIDMAS order from Brackets to Indices to Division and Multiplication to Addition and Subtraction, with example 5 plus 4 times 2 cubed worked to 37

BIDMAS tells you the order for working through an expression with more than one operation. It helps everyone get the same answer instead of just going from left to right too early.

BIDMAS Lesson

  1. GCSE
  2. /Maths
  3. /BIDMAS

Step-by-step lessons on CCEA GCSE Maths BIDMAS. Each one builds up to exam-style questions. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.