Updated 6 August 2026·22 chapters

ICSE Class 5 Mathematics — Formula Sheet

ICSE Class 5 Mathematics formula sheet, chapter by chapter — 123 formulas across 21 chapters. Follows the ICSE / ISC syllabus.

How to Use the Formula Sheet

Write, don't just read — writing each formula out helps it stick.
Understand the derivation — you can rebuild a formula you half-remember.
Group related formulas — link the ones that build on each other.
Test yourself — cover the sheet and write the formulas from memory.

Chapter-Wise Formulas — 21 Chapters

Revision

8 entries

10 ones = 1 ten

10 lakhs = 1 ten lakh

Expanded Form = Sum of each digit × its place value

Compact Form = Add all expanded parts

10 lakhs = 10,00,000, which is the smallest 7-digit number.

The full Revision formula sheet

Indian Number System

6 entries

Successor = Number + 1

Predecessor = Number - 1

10 ten lakhs = 1 crore = 1,00,00,000

For large numbers, adding or subtracting 1 may change multiple digits (e.g., 9,99,99,999 + 1 = 10,00,00,000).

10 crores = 10,00,00,000 (9 digits)

The full Indian Number System formula sheet

International Number System

8 entries

1 Lakh = 100,000

1 Million = 10 Lakhs = 1,000,000

1 Billion = 1,000 Million = 1,000,000,000

Insert commas every 3 digits from right

1 Lakh = 100,000 = One Hundred Thousand

The full International Number System formula sheet

18 more chapters below

Formula sheets for all 21 chapters with formulas.

Get the Formula Sheets

Get chapter-wise help for ICSE Class 5 Mathematics

Super Tutor gives you chapter summaries, revision notes, practice quizzes and flashcards, organised around the ICSE syllabus. Free to start.

Try Super Tutor free

Frequently Asked Questions

Where can I find ICSE Class 5 Mathematics Formula Sheet?

This page has formula sheet for 21 chapters of ICSE Class 5 Mathematics for the 2026-27 session. Each chapter links to its own page with the full set.

How should I prepare for ICSE Class 5 Mathematics exams?

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Should I memorise every Mathematics formula for ICSE Class 5?

Learn the formulas you use most first, and understand what each symbol means so you can apply them. Knowing where a formula comes from helps you rebuild it if you forget it in the exam.

More Mathematics Resources

ICSE Class 5

Practice Quiz

Test yourself with quick quizzes

Important Questions

Exam-style questions with answers

Revision Notes

Key concepts and quick revision points

Chapter Summary

Understand each chapter at a glance

Concept Maps

Diagrams showing how topics connect

Study Plan

Week-by-week preparation schedule

Flashcards

Quick-fire cards for active recall practice

Syllabus

Chapter list and the topics in each

Other ICSE Class 5 Subjects

Social Studies Essentials of English Grammar and Composition