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Maharashtra Board Class 9 Mathematics — Formula Sheet

Maharashtra Board Class 9 Mathematics formula sheet, chapter by chapter — 42 formulas across 6 chapters. Follows the MSBSHSE syllabus.

How to Use the Formula Sheet

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

Chapter-Wise Formulas — 6 Chapters

3

Real Numbers

11 entries
Commutative Property (Multiplication): a × b = b × a for all rational a, b.
Terminating decimals: denominator's prime factors are only 2 or 5 (e.g., 2/5 = 0.4, 101/8 = 12.625).
Non-terminating recurring: denominator has prime factors other than 2 or 5 (e.g., 17/36 = 0.4722…).
Examples: √2 = 1.41421…, √3 = 1.73205…, π = 3.14159…
Proof that √2 is irrational uses contradiction method (indirect proof) — very important for exams.
The full Real Numbers formula sheet
5

Polynomials

2 entries
Example: In 10 (constant), degree = 0 because 10 = 10 × x⁰.
Example: (5m³ - 7m³) = -2m³.
The full Polynomials formula sheet
6

Triangles

2 entries
30°-60°-90° triangle: sides are in ratio 1:√3:2
45°-45°-90° triangle: sides are in ratio 1:1:√2
The full Triangles formula sheet

3 more chapters below

Formula sheets for all 6 chapters with formulas.

Get the Formula Sheets

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Frequently Asked Questions

Where can I find Maharashtra Board Class 9 Mathematics Formula Sheet?

This page has formula sheet for 6 chapters of Maharashtra Board Class 9 Mathematics for the 2026-27 session. Each chapter links to its own page with the full set.

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.

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.

Browse Formula Sheet by Chapter

6 chapters

3

Real Numbers

5

Polynomials

6

Triangles

7

Ratio and Proportion

15

Trigonometry

16

Surface Area and Volume

More Mathematics Resources

Maharashtra Board Class 9

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

Flashcards

Quick-fire cards for active recall practice

Syllabus

Chapter list and the topics in each

Other Maharashtra Board Class 9 Subjects

Science