Mathematics - Class ...
Topic outline
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Math - Class 5 - Basics of percent / Percent of a number / Introduction to Percentage / Percentage - Key Points/Notes/Worksheets/Explanation/Lesson/Practice Questions Tags: Percent of a number of class V, Free Worksheet PDF on Percentage for class 5, Lesson on Introduction to Percentage of grade 5, Percent Worksheets PDF for 5th standard, Word Problems: Percent for Vth class, How to calculate percentage? What is percentage? Percentage conversion practice page, How to convert percentage into fraction? Steps to find percentage of a given number, To find what percent is one number of another, To calculate a number when its percentage is given, Finding percentage, Concept of Percentage, You Tube Video on percentage. Write as percent. Express as percent. Convert into fractions. Calculate 20% 0f 90. What is 15% 0f 1500g? What % is 900g of 3600g? Find 5% of 1000 cm. What % 50 kg of 150 kg? Story problem sum on percentage
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Percentage
Very often we come across symbol %. A fraction with denominator 100 is called percentage and is represented by the symbol %. Percent means “per hundred”. 20% means 20 per 100. Percent always compares a quantity to 100 only.
A percent can be written as a fraction or a decimal.
Thus, 20 percent or 20% (as percentage)
Or 20/100 (as fraction)
Or 0.20 (as decimal)
Conversion
To convert a % into fraction, divide the given number by 100 and reduce it to its lowest term.
To convert a fraction into a percentage (%), multiply the fraction by 100.
To find the percent of a given number
To find what percent is one number of another number.
To calculate a number when its percentage is known
Example: In an examination, Suresh got 200 questions. If he had attempted 80% of the questions then calculate how many questions did he attempt?
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