Key Rules for Place Value
Part of Place Value & Ordering · GCSE GCSE Mathematics revision
This key facts covers Key Rules for Place Value within Place Value & Ordering for GCSE Mathematics. Revise Place Value & Ordering in Number for GCSE Mathematics with 13 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 3 of 13 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 3 of 13
Practice
13 questions
Recall
22 flashcards
Key Rules for Place Value
- Moving left: Each column is 10× bigger (multiply by 10)
- Moving right: Each column is 10× smaller (divide by 10)
- Zero as placeholder: 205 has zero in the tens column - this is crucial!
- Decimal point: Separates whole numbers (left) from decimal parts (right)
- Leading zeros: 0.5 and 0.50 are exactly the same value
- Trailing zeros: In whole numbers, 500 needs both zeros as placeholders
Keep building this topic
Read this section alongside the surrounding pages in Place Value & Ordering. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Place Value & Ordering
What is the value of the digit 7 in the number 47,362?
Write these numbers in order from smallest to largest: -3.2, 0.8, -1.5, -3.25, 0
Quick Recall Flashcards
13 questions on Place Value & Ordering — practise free
Instant marking, adaptive difficulty, and 22 spaced repetition flashcards. Free until your GCSEs.
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