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Understand Percentages Video Lecture | Mathematics for Class 5

58 videos|122 docs|40 tests

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FAQs on Understand Percentages Video Lecture - Mathematics for Class 5

1. What is a percentage and how is it calculated?
Ans.A percentage is a way to express a number as a fraction of 100. To calculate a percentage, divide the part by the whole and then multiply by 100. For example, if there are 25 apples and 5 are red, the percentage of red apples is (5/25) × 100 = 20%.
2. How do you find a certain percentage of a number?
Ans.To find a certain percentage of a number, you multiply the number by the percentage (in decimal form). For example, to find 30% of 50, you would do 50 × 0.30 = 15.
3. What is the difference between a fraction and a percentage?
Ans.A fraction represents a part of a whole in terms of a numerator and a denominator (e.g., 1/2), while a percentage represents a part of a whole in terms of 100 (e.g., 50%). Both express proportions but in different formats.
4. How can percentages be useful in everyday life?
Ans.Percentages are useful in everyday life for understanding discounts while shopping, calculating tips at restaurants, analyzing test scores, and comparing data, such as population growth or interest rates.
5. What are some common mistakes to avoid when calculating percentages?
Ans.Common mistakes include forgetting to convert the percentage to a decimal before multiplying, not using the correct total amount when finding a percentage, and miscalculating the final answer by not following the order of operations correctly.
58 videos|122 docs|40 tests
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