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CBSE Revision Notes Class 8 Maths Chapter 8: Comparing Quantities

CBSE Revision Notes Class 8 Maths Chapter 8 Comparing Quantities are provided to help the students understand and revise the concepts right from the beginning. The concepts taught in Class 8 are important to be understood as these concepts are continued in classes 9 and 10. To score good marks in Class 8 mathematics examination, it is advised to solve questions provided in the Revision Notes Class 8 Maths Chapter 8. These revision notes for Class 8 Maths help the students to revise all the concepts in a better way.

Swiflearn provides Revision Notes and keynotes chapter wise for the CBSE board exam in an easy-to-understand, free downloadable PDF format so students can use it for their studies and score better in their board exams. The CBSE Class 8 Revision Notes are made for the main subjects of Science and Maths. These core subjects are very critical as they are the stepping stones and plays a crucial role in student’s future. They might be tricky for students. The CBSE Class 8 Revision Notes for each chapter will enable them to have an expert studying pattern with which they can enjoy learning the subject and perform better in the exams.

CBSE Class 8 Maths Revision Notes are designed  keeping in my mind the exam pattern and syllabus of NCERT 2020-21. Students can download the PDF for free and practice the questions to score well in the coming exams.

CBSE Revision Notes Class 8 Maths Chapter 8: Comparing Quantities

Percentage:-

A percentage is a number or ratio expressed as a fraction of 100.
It is often denoted using the percent sign, “%”, or the abbreviations “pct.”, “pct”; sometimes the abbreviation “pc” is also used.

Ratios:-

Ratio means comparing two quantities. For example, a basket has two types of fruits, say, 20 apples and 5 oranges Thus, the ratio of the number of oranges to the number of apples = 5 : 20 The comparison can be done by using fractions as,5 / 20=1 / 4 percentage of oranges 5 / 25×100=20% percentage of apples 20 / 25×100=80% The total sum of individual percentages is always equal to 100 = 20 + 80. 