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Concept Maps

Addition — Concept Maps

ICSE · Class 3 · Mathematics

4 concept maps of Addition for ICSE Class 3 Mathematics, each also written out as a text outline. Part of the ICSE Class 3 Mathematics syllabus.

40 questions30 flashcards5 formulas & key relations4 concepts

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4 Concept Maps

Addition – Chapter Overview Mind Map

Addition – Chapter Overview Mind Map

The map in words

  • Addition
    • 3-Digit Addition
      • Without Carry Over
        • Add O then T then H
        • Each column sum less than 10
      • With Carry Over
        • Sum is 10 or more
        • Write ones digit
        • Carry tens digit left
    • 4-Digit Addition
      • Without Carry Over
        • Th H T O columns
        • No carry needed
      • With Carry Over
        • Carry at O T or H
      • Three 4-Digit Numbers
        • Carry can be 1 or 2
    • 3-Digit Plus 4-Digit
      • Align ones under ones
      • Treat missing Th as 0
    • 5-Digit Addition
      • Tth Th H T O columns
      • Same carry over rules
    • Estimation
      • Round to Nearest 10
        • Check ones digit
      • Round to Nearest 100
        • Check tens digit
      • Round to Nearest 1000
        • Check hundreds digit
    • Word Problems
      • Keywords
        • Total
        • Altogether
        • In all
      • Write answer with unit

Mind map showing all major topics covered in the Addition chapter

Mind map showing all major topics covered in the Addition chapter

The map in words

  • ADDITION
    • Three-digit numbers
      • Without carrying
      • With carrying
    • Four-digit numbers
      • Two numbers
      • Three numbers
    • Five-digit numbers
    • Estimation
      • Nearest 10
      • Nearest 100
      • Nearest 1000

Diagram showing how each digit in a number represents a different place value

Diagram showing how each digit in a number represents a different place value

The map in words

  • Number: 3,524
    • 3 thousands 3000
      • Total: 3524
    • 5 hundreds 500
    • 2 tens 20
    • 4 ones 4

Addition

Addition

The map in words

  • Addition
    • Addition Without Carry Over
    • Addition With Carry Over
    • Adding Numbers of Different Digits
    • Adding Three or More Numbers
    • Estimation in Addition
    • Word Problems on Addition
    • Addition of Five-Digit Numbers

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Frequently Asked Questions

What are the important topics in Addition for ICSE Class 3 Mathematics?
Key topics in Addition include Addition Without Carry Over, Addition With Carry Over, Adding 3-digit and 4-digit Numbers, Adding Three or More Numbers. Study these first, then practise questions on each for Class 3 exams.
What do the concept maps for Addition show?
The 4 maps show how the ideas in Addition connect: Addition – Chapter Overview Mind Map; Mind map showing all major topics covered in the Addition chapter. Each map is also written out as an outline on this page.
How should I revise Addition for Class 3 exams?
Learn the core ideas first, then work through the 40 practice questions on Addition. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Addition

All ICSE Class 3 Mathematics Concept Maps

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