Class 9 Math Unit 3 Review Exercise 3 Notes – Set and Functions PDF Download (SNC New Syllabus 2025-26)
Searching for reliable Class 9 Math Unit 3 Review Exercise notes in one place? These Review Exercise 3 Class 9 Math solutions pdf download files are built around the updated Single National Curriculum (SNC) syllabus for 2025-26 and are used by Matric Part-1 students across every Punjab board. Whether you need solved MCQs, short questions, or complete revision of every concept from Unit 3, this page gathers a complete, exam-ready set of Set and Functions revision notes for class 9 Punjab board that you can preview online or download instantly as a free PDF.
What’s Included in These Review Exercise 3 Notes
This Unit 3 Review Exercise notes pdf download package is split into clearly labeled sections, so you can go straight to the exact question type you need instead of scrolling through the whole unit again.
| Content Type | What You Get |
| Solved MCQs | Every multiple-choice question from Review Exercise 3 solved with the correct option explained. |
| Short Questions | Fill-in-the-blank and true/false style questions solved with a brief justification for each answer. |
| Mixed Set Problems | Step-by-step solutions to mixed questions on sets, subsets, and set operations pulled from across Unit 3. |
| Mixed Function Problems | Solved questions on domain, range, and identifying types of functions. |
| Answer Key | Quick-reference final answers for fast self-checking. |
| Complete Unit 3 Notes | A single combined PDF covering all of Unit 3 (Exercises 3.1 to 3.3 plus this Review Exercise), for students who want the full unit in one file. |
Review Exercise 3 — What This Exercise Covers
Review Exercise 3 comes at the end of Unit 3: Set and Functions in the new SNC Class 9 Math book, and is designed purely for revision — testing understanding of everything covered across Exercises 3.1 to 3.3. These 9th Math Unit 3 Review Exercise solved notes are mapped question-by-question to the PTB textbook, so every question type examined in board papers is accounted for.
| Topic Area | Included Sub-Topics |
| Sets and Their Types | Revision of Set Notation, Finite/Infinite/Empty/Singleton Sets, and Subsets |
| Universal Set and Power Set | Revision of Definitions and Simple Examples |
| Operations on Sets | Revision of Union, Intersection, Difference, and Complement |
| Venn Diagrams | Revision of Representing Sets and Set Operations Visually |
| Functions | Revision of the Definition of a Function, Domain, and Range |
| Types of Functions | Revision of One-to-One and Many-to-One Functions |
Learning Objectives (SLOs) Covered in These Notes
Every section of this download package is aligned with the Student Learning Outcomes (SLOs) prescribed for Unit 3, so students preparing from these notes are working toward the exact skills the board tests in a full-unit revision paper.
- Recall and apply the definitions of a set, its types, and subsets in mixed revision questions.
- Recall the universal set and power set with simple examples.
- Apply the union, intersection, difference, and complement of sets in mixed problems.
- Represent sets and set operations accurately using Venn diagrams.
- Recall the definition of a function and find its domain and range.
- Identify whether a given function is one-to-one or many-to-one.
| 📌 What’s Inside the PDF — Quick Checklist ✔ Every Review Exercise question solved step-by-step ✔ Solved MCQs with correct option explained ✔ Quick-reference answer key ✔ Covers all of Exercises 3.1 to 3.3 in revision form ✔ Available in English and Urdu medium [Infographic placement: designer to render this checklist as a visual icon graphic] |
Updated for the Latest SNC New Syllabus 2025-26
All notes on this page reflect the new Single National Curriculum (SNC) syllabus for 2025-26 issued by the Punjab Curriculum and Textbook Board (PCTB). This Class 9 Math Review Exercise 3 notes pdf download set is kept updated to match the current textbook edition, so students never revise a question style that has been changed or removed.
English and Urdu Medium, With File Format Details
Both English medium and Urdu medium versions of the Review Exercise 3 Class 9 Math solutions are available. Files are kept lightweight in a printable PDF format so they open quickly even on a slower mobile connection.
Notes Available for All Punjab Boards
These notes for class 9 Punjab boards follow the single, unified PCTB curriculum, meaning the same Unit 3 Review Exercise PDF applies to every board listed below.
| Board | Coverage |
| BISE Lahore | Fully applicable — same PTB syllabus |
| BISE Rawalpindi | Fully applicable — same PTB syllabus |
| BISE Faisalabad | Fully applicable — same PTB syllabus |
| BISE Gujranwala | Fully applicable — same PTB syllabus |
| BISE Multan | Fully applicable — same PTB syllabus |
| BISE Sargodha | Fully applicable — same PTB syllabus |
| BISE Bahawalpur | Fully applicable — same PTB syllabus |
| BISE Dera Ghazi Khan | Fully applicable — same PTB syllabus |
| BISE Sahiwal | Fully applicable — same PTB syllabus |
| 📌 Covered Boards at a Glance ✔ Lahore · Rawalpindi · Faisalabad ✔ Gujranwala · Multan · Sargodha ✔ Bahawalpur · Dera Ghazi Khan · Sahiwal [Infographic placement: designer to render this checklist as a visual icon graphic] | |
Preview Online or Download Directly — Your Choice
Every file on this page can be previewed online in your browser before downloading, or saved straight to your device through a direct download button — no sign-up required. This lets you quickly check the content quality of the Review Exercise 3 Class 9 Math notes package before committing to a full download.
Bonus: Free Online Test and Related Test Papers
Beyond the downloadable PDF, an optional online MCQ test is available covering all of Unit 3, along with related printable test papers, so students can self-check their overall preparation before moving on to Unit 4.
Exam Tips for Review Exercise 3
Board examiners frequently pull Review Exercise MCQs and short questions directly into unit tests and board papers, so working through every question here — not just the ones you find easy — is the fastest way to catch weak spots before the exam.
Related Notes from Unit 3: Set and Functions
If you’re working through the full unit, matching notes are also available for Exercise 3.1, Exercise 3.2, and Exercise 3.3 — all built in the same format for quick, exercise-wise revision. This Review Exercise is the final part of Unit 3 before moving on to Unit 4.
How to Download Class 9 Math Review Exercise 3 Notes PDF
- Scroll to the notes section that matches what you need (MCQs, Short Questions, or Complete Unit 3 Notes).
- Click Preview to view the pages online, if you want to check the content first.
- Click the Download button to save the free PDF directly to your phone or computer.
- Open the file with any standard PDF reader — no special software required.
Frequently Asked Questions
Where can I download Class 9 Math Unit 3 Review Exercise notes in PDF?
You can download the complete Review Exercise 3 Class 9 Math solutions pdf directly from this page — available as a standalone Review Exercise file or as part of the combined complete Unit 3 notes PDF.
Are these Review Exercise 3 notes updated for the latest SNC syllabus?
Yes, these notes for class 9 Punjab boards are fully updated for the SNC new syllabus 2025-26 issued by the Punjab Curriculum and Textbook Board.
What topics does Review Exercise 3 cover?
Review Exercise 3 revises everything from Unit 3 (Set and Functions), including sets and their types, subsets, operations on sets, Venn diagrams, and functions with their domain, range, and type.
Does Unit 3 have an Exercise 3.4?
No. Under the new SNC syllabus (2025-26), Unit 3: Set and Functions contains Exercises 3.1 through 3.3, followed directly by this Review Exercise 3. Older editions of the textbook used different unit numbering, but the current syllabus ends Unit 3 at Exercise 3.3.
Are these notes valid for all Punjab boards, including Lahore, Multan, and Rawalpindi?
Yes. Since all Punjab boards — Lahore, Rawalpindi, Faisalabad, Gujranwala, Multan, Sargodha, Bahawalpur, Dera Ghazi Khan, and Sahiwal — follow the same PCTB curriculum, this single Review Exercise notes PDF is valid for students of every board.
Is Urdu medium available for Review Exercise 3 notes?
Yes, both English medium and Urdu medium versions of the Review Exercise 3 Class 9 Math notes are available for download.
Final Words
With every MCQ and short question solved, a quick answer key, and full-unit revision coverage all in one place, this Class 9 Math Unit 3 Review Exercise notes pdf download page is built to save preparation time for every Punjab board student. Scroll up, pick the section you need, and download your free Set and Functions Review Exercise notes for class 9 Punjab board today.