Percentage Class 8 Worksheet
Dive into the world of percentages with the ultimate Percentage Class 8 Worksheet, meticulously crafted to elevate your mathematical acumen. As percentages become a pivotal component in your mathematical journey, this indispensable worksheet offers a variety of answer-included exercises that not only test your existing knowledge but also challenge you to extend your understanding further. Tailored specifically for Class 8, the worksheet spans from fundamental concepts to complex applications, ensuring a comprehensive grasp of this essential subject.
Do you have what it takes to tackle mind-bending problems and MCQs that will fine-tune your percentage calculation skills? These thought-provoking questions come with detailed explanations, assisting you to unravel the intricacies of percentages and their practical usage in everyday scenarios.
Don't miss the chance to explore the meticulously prepared extra questions that are designed to push your boundaries. Whether it's for self-assessment, exam preparation, or just a curious exploration of numerical expressions, this Class 8 percentage worksheet is your perfect math companion. Sharpen your pencils, engage your brain, and get ready to conquer the challenges that await. With every question you solve, you're one step closer to becoming a percentage whiz, setting a solid foundation for future mathematical endeavors.
Percentage class 8th important formulas
- Percentage Formula: Percentage is calculated as a fraction of 100. Therefore, the percentage formula is:
Percentage = (Part/Whole) x 100
Where "Part" refers to the part of the whole, and "Whole" refers to the entire quantity.
- Percentage Increase Formula: When a quantity increases by a certain percentage, the new value can be calculated using the following formula:
New Value = Old Value x (1 + Percentage Increase/100)
- Percentage Decrease Formula: When a quantity decreases by a certain percentage, the new value can be calculated using the following formula:
New Value = Old Value x (1 - Percentage Decrease/100)
- Finding the Percentage of a Quantity Formula: To find the percentage of a quantity, the following formula can be used:
Percentage = (Given Quantity/Total Quantity) x 100
- Profit and Loss Formula: The profit or loss percentage can be calculated using the following formulas:
Profit Percentage = (Profit/CP) x 100 Loss Percentage = (Loss/CP) x 100
Where "CP" refers to the cost price.
- Discount Formula: The discount percentage can be calculated using the following formula:
Discount Percentage = (Discount/Marked Price) x 100
Where "Marked Price" refers to the original price before the discount.
Percentage class 8 Extra Questions and answers for students.
- If the price of a shirt is increased from ₹ 20 to ₹ 25, what is the percentage increase?
Solution: Increase in price = ₹25 - ₹ 20 = ₹ 5
Percentage increase = (Increase in price / Original price) x 100 = (5/20) x 100 = 25%
Answer: The percentage increase in price is 25%.
- A student scored 420 out of 500 in an exam. What is his percentage score?
Solution: Percentage score = (Score obtained / Total marks) x 100 = (420 / 500) x 100 = 84%
Answer: The student's percentage score is 84%.
- If the original price of a watch is $120 and it is sold at a discount of 20%, what is the selling price?
Solution: Discount amount = 20% of $120 = $24 Selling price = Original price - Discount amount = $120 - $24 = $96
Answer: The selling price of the watch is $96.
- A car dealer sold a car for $60,000, making a profit of 20%. What was the cost price of the car?
Solution: Profit percentage = (Profit / Cost price) x 100 20% = (Profit / Cost price) x 100 Profit = 20/100 x Cost price $60,000 = Cost price + Profit $60,000 = Cost price + (20/100 x Cost price) $60,000 = Cost price + $12,000 Cost price = $48,000
Answer: The cost price of the car was $48,000.
- A school has 800 students, of which 60% are girls. How many girls are there in the school?
Solution: Number of girls = (Percentage of girls / 100) x Total number of students = (60/100) x 800 = 480
Answer: There are 480 girls in the school.
FAQs on Percentage and its application class 8
Q. What is percentage?
A: Percentage is a way of representing a number as a fraction of 100. It is denoted by the symbol "%".
Q: What are the different ways of expressing percentages?
A: Percentages can be expressed in different ways, such as as fractions, decimals, and ratios. For example, 25% can be expressed as 1/4, 0.25, or 25:100.
Q: What are some applications of percentages in daily life?
A: Percentages are used in many real-life situations, such as calculating discounts, taxes, tips, and interest rates. They are also used in analyzing data and making comparisons.
Q: How do I calculate percentage increase or decrease?
A: To calculate percentage increase or decrease, you need to find the difference between the new and old values, divide the difference by the old value, and then multiply the result by 100. If the result is positive, it represents percentage increase, and if it is negative, it represents percentage decrease.
Q: What is the formula for simple interest?
A: The formula for simple interest is: Simple Interest = (Principal x Rate x Time) / 100, where Principal is the initial amount, Rate is the interest rate per year, and Time is the time period in years.
Q: How do I calculate percentage profit or loss?
A: To calculate percentage profit or loss, you need to find the difference between the selling price and the cost price, divide the difference by the cost price, and then multiply the result by 100. If the result is positive, it represents percentage profit, and if it is negative, it represents percentage loss.
Q: What is the formula for discount? A: The formula for discount is: Discount = List Price x Discount Rate, where List Price is the original price and Discount Rate is the percentage of discount.
Q: How do I calculate percentage of a number? A: To calculate percentage of a number, you need to multiply the number by the percentage and then divide the result by 100.
