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Place Value & Ordering

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 pick up marks when it appears in mixed-topic papers.

Study this topic

1

The Foundation of All Numbers

Introduction2

Place Value Columns

Key Facts3

Key Rules for Place Value

Key Facts4

Writing Numbers in Words

Deep Dive5

Ordering Numbers - The Step-by-Step Method

Key Facts6

Worked Example 1: Finding the Value of a Digit

Notes7

Worked Example 2: Ordering Decimal Numbers

Notes8

Worked Example 3: Writing Numbers in Words

Notes9

Common Mistakes and How to Avoid Them

Exam Tips10

Inequality Symbols - Getting Them Right

Key Facts11

Introduction to Significant Figures (Higher Tier)

Deep Dive12

Exam Tips

Exam Tips

Sample Flashcards

What is place value?
Place value is the value a digit has because of its position in a number. Each column is worth 10× the column to its right.
How do you order whole numbers?
1. Compare number of digits (more digits = bigger) 2. If same digits, compare left to right 3. Find first column where digits differ 4. Bigger digit in that column = bigger number

Sample Questions

What is the value of the digit 7 in the number 47,362?

  • A. 7
  • B. 700
  • C. 7000
  • D. 70,000
1 markfoundation

Write these numbers in order from smallest to largest: -3.2, 0.8, -1.5, -3.25, 0

2 marksstandard

13

exam-style questions

22

revision flashcards

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Negative Numbers