NumberDiagram

Quick Conversion Tricks

Part of FDP Conversions · GCSE GCSE Mathematics revision

This diagram covers Quick Conversion Tricks within FDP Conversions for GCSE Mathematics. Revise FDP Conversions in Number for GCSE Mathematics with 12 exam-style questions and 22 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 12 of 15 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 12 of 15

Practice

12 questions

Recall

22 flashcards

Quick Conversion Tricks

Ninths Pattern

1/9 = 0.111...
2/9 = 0.222...
3/9 = 0.333... = 1/3
4/9 = 0.444...

Eighths Pattern

1/8 = 0.125 = 12.5%
3/8 = 0.375 = 37.5%
5/8 = 0.625 = 62.5%
7/8 = 0.875 = 87.5%

Quick %→F

5% = 1/20
12.5% = 1/8
33.3% = 1/3
66.7% = 2/3

Keep building this topic

Read this section alongside the surrounding pages in FDP Conversions. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for FDP Conversions

Which decimal is equal to 3/4?

  • A. 0.34
  • B. 0.75
  • C. 0.43
  • D. 1.33
1 markfoundation

Explain why 1/3 cannot be written as an exact decimal, and write 1/3 using correct notation for recurring decimals.

2 marksstandard

Quick Recall Flashcards

Halves family
1/2 = 0.5 = 50% Must know instantly!
FDP Triangle
F (top) D (left) ← → P (right) F→D: divide F→P: ×100 D→P: ×100

12 questions on FDP Conversions — practise free

Instant marking, adaptive difficulty, and 22 spaced repetition flashcards. Free until your GCSEs.

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