NumberDeep Dive

Method: Decimal to Fraction

Part of FDP Conversions — GCSE Mathematics

This deep dive covers Method: Decimal to Fraction 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 5 of 14 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 5 of 14

Practice

12 questions

Recall

22 flashcards

Method: Decimal to Fraction

1 Count decimal places

2 Write over power of 10 (10, 100, 1000...)

3 0.45 = 45/100 (2 decimal places)

4 Simplify: 45/100 = 9/20

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.

Method: Fraction to Decimal Method: Percentage Conversions Three Ways to Show the Same Thing The FDP Triangle

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

FDP Triangle

F (top) D (left) ← → P (right) F→D: divide F→P: ×100 D→P: ×100

Halves family

1/2 = 0.5 = 50% Must know instantly!

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Method: Fraction to Decimal

Method: Percentage Conversions