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BIDMAS

Revise BIDMAS in Number for GCSE Mathematics with 14 exam-style questions and 22 flashcards. This topic appears regularly enough that it should be part of a solid GCSE revision cycle.

Study this topic

1

Why Order Matters

Introduction2

BIDMAS Order

Key Facts3

Common BIDMAS Mistakes

Deep Dive4

Foundation Example

Notes5

Standard Example

Notes6

Higher Example

Notes7

Exam Tips

Exam Tips8

Real-World Applications

Deep Dive

Sample Flashcards

Calculate: 10 - 2²
**Step 1:** Indices first (BIDMAS) 2² = 4 **Step 2:** Then subtraction 10 - 4 = **6** *(Not 10 - 2 = 8, then 8² = 64)*
Calculate: 2 + 3 × 4
**Step 1:** Multiplication first (BIDMAS) 3 × 4 = 12 **Step 2:** Then addition 2 + 12 = **14** *(Not 2 + 3 = 5, then 5 × 4 = 20)*

Sample Questions

What does the letter 'I' stand for in BIDMAS?

  • A. Integers
  • B. Inverse
  • C. Indices
  • D. Integration
1 markfoundation

Explain what BIDMAS tells us about calculations and why it is needed.

2 marksstandard

14

exam-style questions

22

revision flashcards

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