Class 8 Mathematics Chapter 1 Fractions in Disguise is a high-frequency chapter in the CBSE Class 8 Mathematics exam. These class 8 maths handwritten notes chapter 1 Fractions in Disguise follow the 2026-27 NCERT and cover fractions as percentages, percentage of a quantity, the fraction, decimal and percentage trio. This page hosts the notes PDF, key terms, and.
- CBSE Class 8 Weightage: a scoring chapter in the Mathematics paper, asked in short and long answers.
- What the notes cover: fractions as percentages, percentage of a quantity, the fraction, decimal and percentage trio, comparing proportions using percentages.
- Best for: quick revision before Class 8 exams and a strong base for Class 9.
You can read the complete class 8 maths handwritten notes for Fractions in Disguise, with key terms, boxed definitions, and quick revision points, in the PDF below.
These handwritten notes are written by subject teachers, mapped to the 2026-27 NCERT, and checked against the last five years of CBSE Class 8 Mathematics papers.
What the Fractions in Disguise Handwritten Notes Cover
This chapter is all about percentages, which are just fractions with 100 as the denominator. You will learn to move easily between fractions, decimals and percentages, and use them to compare quantities, describe increase and decrease, and solve money problems like profit, loss, discount and tax.
- Fractions as percentages
- Percentage of a quantity
- The fraction, decimal and percentage trio
- Comparing proportions using percentages
- Percentage increase and decrease
- Percentages greater than 100
- Profit and loss
- Discount, marked price and selling price
- Taxes like GST
- Simple mental percentage tricks
Fractions in Disguise Self-Assessment Quiz
Try these quick questions after you read the notes. Tap each question to check your answer. They cover the points CBSE asks most often.
What is 3/4 written as a percentage?
(a) 34% (b) 43% (c) 75% (d) 60%
Answer: (c) 75% - because 3/4 = 75/100
24% written as a fraction in lowest terms is?
(a) 24/100 (b) 6/25 (c) 12/25 (d) 1/4
Answer: (b) 6/25 - since 24/100 divides by 4
What is 25% of 40?
(a) 5 (b) 8 (c) 10 (d) 15
Answer: (c) 10 - a quarter of 40 is 10
A price rises from 30 to 42. The percentage increase is?
(a) 12% (b) 30% (c) 40% (d) 42%
Answer: (c) 40% - increase 12 over base 30 times 100
If cost price is 300 and selling price is 430, the profit percentage is about?
(a) 30% (b) 43.3% (c) 130% (d) 13%
Answer: (b) 43.3% - profit 130 over 300 times 100
Fractions in Disguise Topic-wise Weightage for CBSE Class 8 Mathematics
Some parts of this chapter are asked more often than others. The table below shows which sub-topics to revise first, based on recent CBSE Class 8 question trends.
| Sub-topic | Weightage | CBSE Frequency |
|---|---|---|
| Converting fractions and decimals to percentages | High | asked often |
| Finding a percentage of a quantity | High | asked often |
| Profit, loss and discount problems | High | asked often |
| Percentage increase and decrease | Medium | asked sometimes |
| Percentages greater than 100 | Medium | asked sometimes |
| Taxes and interest basics | Low | asked rarely |
Key Terms and Ideas in Fractions in Disguise
These are the terms and ideas the exam asks about most. Learn each one so you can define it and use it in your answers.
| Term / Idea | What it means |
|---|---|
| Per cent | means out of every hundred, so 25% is 25 out of 100 |
| Fraction to percentage | multiply the fraction by 100 |
| Percentage of a value | y% of a number is (y/100) times that number |
| Percentage increase | amount of increase divided by original amount, times 100 |
| Percentage decrease | amount of decrease divided by original amount, times 100 |
| Profit percentage | profit divided by cost price, times 100 |
| Loss percentage | loss divided by cost price, times 100 |
| Discount | a reduction in the marked price, given as a percentage |
How Collegedunia's Handwritten Notes Help You Revise Fractions in Disguise
These notes are made for the night before the exam. They keep the facts short and easy to scan. Collegedunia maps every point to the 2026-27 NCERT.
- Clear handwriting: each topic is written in neat, easy-to-read handwriting.
- Boxed key terms: the main terms and definitions are boxed by hand for fast recall.
- Diagrams and tables: simple hand-drawn tables and charts make ideas clear.
- Colour-coded headings: new sub-topics stand out, so you find any section in seconds.
How to Use These Handwritten Notes for Class 8 Mathematics Revision
Use these class 8 maths handwritten notes in two passes. Read them slowly once for the full chapter. Then, near the exam, read only the boxes and key terms for a fast recall.
- Read the notes once with the NCERT chapter open beside you.
- Say each key term and idea in your own words.
- Practise one long-answer question from a past paper.
- On the last day, revise only the key terms and the boxes.
Class 8 Mathematics Handwritten Notes for All Chapters
The table below links the class 8 maths handwritten notes for every chapter. Use it to jump to any other chapter's notes.
| Chapter | Resource |
|---|---|
| Chapter 1 | Fractions in Disguise Handwritten Notes |
| Chapter 2 | The Baudhayana-Pythagoras Theorem Handwritten Notes |
| Chapter 3 | Proportional Reasoning-2 Handwritten Notes |
| Chapter 4 | Exploring Some Geometric Themes Handwritten Notes |
| Chapter 5 | Tales by Dots and Lines Handwritten Notes |
| Chapter 6 | Algebra Play Handwritten Notes |
| Chapter 7 | Area Handwritten Notes |
Fractions in Disguise Class 8 Mathematics Handwritten Notes FAQs
Ques. Where can I download Fractions in Disguise Class 8 Mathematics Handwritten Notes PDF?
Ans. You can download the Fractions in Disguise Class 8 Mathematics Handwritten Notes PDF directly from this page. Both the Normal and HD versions are free.
Ques. Are these handwritten notes aligned with the 2026-27 NCERT?
Ans. Yes. These notes follow the current 2026-27 syllabus for Class 8 Mathematics. the difference between a fraction, a decimal and a percentage
Ques. How many pages is the Class 8 Mathematics Fractions in Disguise Handwritten Notes PDF?
Ans. The notes run about 20 pages. They cover the full chapter with key terms, hand-drawn boxes, and a short self-assessment quiz.
Ques. What is the main idea of the 8th standard Mathematics chapter Fractions in Disguise?
Ans. The main idea of this chapter is that percentages are just fractions out of 100, so they let us compare and describe parts of quantities in one common way. You use this to solve real problems like marks, discounts, profit, loss and tax.
Ques. Are these Fractions in Disguise notes enough for the CBSE Class 8 exam?
Ans. Yes, for revision. The Collegedunia handwritten notes cover every key point and exam term. Read them with the NCERT chapter and practise past questions.
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