Algebraic Identities Class 9 Maths Handwritten Notes

These Algebraic Identities handwritten notes are a topper's neat revision of the fourth chapter of the new Ganita Manjari book. The Class 9 Maths Handwritten Notes Chapter 4 Algebraic Identities pack every identity, area model, and solved example onto a few pages, written by hand just as you would set it out in the exam.

• What you get: the square, cube, and difference identities plus factorisation, all in clear handwriting.
• Colour-coded: new sub-topics in red, each identity in a hand-drawn box, and examples in blue.
• Why by hand: writing each identity out by hand helps you recall it fast in the exam.

These are a topper's own handwritten revision notes for the 2026-27 Ganita Manjari book, matched line by line to the current NCERT chapter.

Why Use Handwritten Notes for Class 9 Maths Algebraic Identities?

Identities are easy to mix up, so a clear list helps. The Class 9 Maths Handwritten Notes Chapter 4 Algebraic Identities show one identity per line with its area model, so each one stays clear. You revise the full chapter in one sitting without flipping through the textbook.

• Each identity, like (a+b)², sits in its own hand-drawn box.
• Small area models sit next to the identity they prove.
• Red sub-headings split the chapter into short, easy parts.
• The wording is plain, like a senior showing you the shortcut.

Video Walkthrough

Source: PW Class 9 - NEEV on YouTube

What's Inside the Algebraic Identities Handwritten Notes PDF

The PDF runs to 24 pages of neat, hand-written revision. It moves from the square identities to cubes, the three-variable rule, and factorisation, with a solved example after each idea. The colour code below tells you what each mark means.

• Red: new sub-topic headings, like Difference of Squares or Cubic Identities.
• Boxes: each identity, such as (a-b)² and a² - b², drawn by hand.
• Blue: solved examples and the terms worked out in them.

Algebraic Identities Diagrams and Formula Boxes Drawn by Hand

This chapter proves each identity with a picture, so the notes lean on clear hand-drawn figures. You will find these drawn out step by step:

• The square model for (a+b)², split into four labelled parts.
• The rectangle model for (x+a)(x+b) using algebra tiles.
• A boxed set of the difference of squares and the trinomial square.
• The cube dissection for (a+b)³ and Pascal's triangle for the coefficients.
• The sum and difference of cubes, a³ + b³ and a³ - b³, in boxes.

Last-Minute Revision with These Algebraic Identities Notes

The night before your exam, the Class 9 Maths Handwritten Notes Chapter 4 Algebraic Identities work as a quick skim. Every boxed identity and red heading is a checkpoint, so you can cover the whole chapter in well under an hour.

• Recall (a+b)² and (a-b)² from their boxes.
• Write the difference of squares a² - b² on rough paper.
• Say the cube identities out loud.
• Use Pascal's triangle to check the cube coefficients.
• Factorise one expression by splitting the middle term.
• Glance at the common-mistake note before you close the notes.

How will Collegedunia's Handwritten Notes Help You with Algebraic Identities?

Collegedunia brings you the Class 9 Maths Handwritten Notes Chapter 4 Algebraic Identities as a free, clear PDF you can open on any phone. It saves you the time of making your own notes and matches the new Ganita Manjari book.

• 2026-27 match: the notes follow the new book, not the old chapter order.
• Clean handwriting: a topper's neat writing makes each identity easy to read.
• Exam-ready: boxes and colour cues let you revise fast before the annual exam.
• Free download: keep the PDF offline and revise any time.

More Algebraic Identities Maths Class 9 Resources

Use the box below to open the other resources for this chapter of the new Class 9 Maths book.

NCERT Handwritten Notes for Class 9 Maths: All Chapters

Use the table below to open the handwritten notes for any other chapter of the new Class 9 Maths book.