Read and download NCERT Class 8 Maths Direct and Inverse Proportions in NCERT book for Class 8 Mathematics. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Mathematics textbook for Class 8 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 8 Mathematics to understand the answers of the exercise questions given at the end of this chapter
NCERT Book for Class 8 Mathematics Chapter 13 Direct and Inverse Proportions
Class 8 Mathematics students should refer to the following NCERT Book Chapter 13 Direct and Inverse Proportions in Class 8. This NCERT Book for Class 8 Mathematics will be very useful for exams and help you to score good marks
Chapter 13 Direct and Inverse Proportions NCERT Book Class 8
13.1 Introduction
Mohan prepares tea for himself and his sister. He uses 300 mL of water, 2 spoons of sugar, 1 spoon of tea leaves and 50 mL of milk. How much quantity of each item will he need, if he has to make tea for five persons?
If two students take 20 minutes to arrange chairs for an assembly, then how much time would five students take to do the same job? We come across many such situations in our day-to-day life, where we need to see variation in one quantity bringing in variation in the other quantity.
For example:
(i) If the number of articles purchased increases, the total cost also increases.
(ii) More the money deposited in a bank, more is the interest earned.
(iii) As the speed of a vehicle increases, the time taken to cover the same distance decreases.
(iv) For a given job, more the number of workers, less will be the time taken to complete the work.
Observe that change in one quantity leads to change in the other quantity. Write five more such situations where change in one quantity leads to change in another quantity.
How do we find out the quantity of each item needed by Mohan? Or, the time five students take to complete the job?
To answer such questions, we now study some concepts of variation.
13.2 Direct Proportion If the cost of 1 kg of sugar is ` 36, then what would be the cost of 3 kg sugar? It is ` 108.
Please refer to attached file for NCERT Class 8 Maths Direct and Inverse Proportions
| NCERT Class 8 Maths Rational Numbers |
| NCERT Class 8 Maths Linear Equations in One Variable |
| NCERT Class 8 Maths Understanding Quadrilaterals |
| NCERT Class 8 Maths Practical Geometry |
| NCERT Class 8 Maths Data Handling |
| NCERT Class 8 Maths Squares and Square Roots |
| NCERT Class 8 Maths Cubes and Cube Roots |
| NCERT Class 8 Maths Comparing Quantities |
| NCERT Class 8 Maths Algebraic Expressions and Identities |
| NCERT Class 8 Maths Visualising Solid Shapes |
| NCERT Class 8 Maths Mensuration |
| NCERT Class 8 Maths Exponents and Powers |
| NCERT Class 8 Maths Direct and Inverse Proportions |
| NCERT Class 8 Maths Factorisation |
| NCERT Class 8 Maths Introduction to Graphs |
| NCERT Class 8 Maths Playing with Numbers |
| NCERT Class 8 Maths Answers and Solutions |
Mathematics NCERT Book Class 8 Chapter 13 Direct and Inverse Proportions
The above NCERT Books for Class 8 Mathematics Chapter 13 Direct and Inverse Proportions have been published by NCERT for latest academic session. The textbook by NCERT for Chapter 13 Direct and Inverse Proportions Mathematics Class 8 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Chapter 13 Direct and Inverse Proportions NCERT etextbooks as the exams for Class 8 Mathematics are always asked as per the syllabus defined in these ebooks. These Class 8 Chapter 13 Direct and Inverse Proportions book for Mathematics also includes collection of question. We have also provided NCERT solutions for Class 8 Mathematics which have been developed by teachers of StudiesToday.com after thorough review of the latest book and based on pattern of questions in upcoming exams for Class 8 students.
NCERT Book Class 8 Mathematics Chapter 13 Direct and Inverse Proportions
The latest NCERT book for Chapter 13 Direct and Inverse Proportions pdf have been published by NCERT based on the latest research done for each topic which has to be taught to students in all classes. The books for Class 8 Mathematics Chapter 13 Direct and Inverse Proportions are designed to enhance the overall understanding of students. All Class 8 NCERT textbooks have been written in an easy to understand language which will help to enhance the overall level of Class 8 students.
Chapter 13 Direct and Inverse Proportions NCERT Book Class 8 Mathematics
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Class 8 Mathematics Chapter 13 Direct and Inverse Proportions NCERT Book
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Class 8 Chapter 13 Direct and Inverse Proportions NCERT Book Mathematics
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