NumberDiagram

Quick Conversion Tricks

Part of FDP ConversionsGCSE Mathematics

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 14 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 14

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

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