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317 LearnersLast updated on November 17, 2025

Imagine you’re shopping and see a significant 70% discount sign. You get excited, but do you know how much you’ll actually save? When you learn to calculate discounts, you can easily figure out how much money stays in your pocket after the price goes down.
A discount is a decrease in the marked price of goods or services, as determined by the price shopkeepers offer customers. The marked price (listed price) is the price shopkeepers set for customers and should be equal to or less than the MRP.
The manufacturer sets the maximum retail price (MRP) of a product. The discount is often expressed as a percentage, representing a fraction of 100. Discount offers are common because they are a technique to boost sales. We use terms like 'reduction' or 'off' to indicate discounts. These concepts are applicable when calculating discounts, solving discount worksheets, practicing calculating prices with discounts, learning about calculating sales discounts in accounting, or completing a sales tax and discount worksheet. Understanding the formula for calculating discounts helps make all these activities easier. For example, if a toy has a marked price of ₹500 and the shopkeeper gives a 20% discount, the discount amount will be 20% of 500 = 100. So, the toy will cost ₹400 after the discount.
We can calculate the amount you can save from a discount using the different cases mentioned below:
When the discount percentage is known, we use the following step-by-step calculation:
For example: A school bag has a marked price of $1500, and the shopkeeper gives a 15% discount. Find the price the customer will pay after the discount.
Convert the discount percentage into a decimal
\(15/100 = 0.15\)
Calculate the discount amount
Discount amount =\( 0.15 × 1500 = $225\)
Calculate the selling price
Selling Price = Marked Price – Discount
Selling Price = \(1500 – 225 = $1275\)
To find the discount, follow these simple steps:
Step 1: Identify the difference between the list price of an item and the price at which it is finally sold.
Step 2: Subtract the selling price from the list price to get the discount amount.
These steps are often used when calculating discounts, completing discount worksheets, or calculating prices using discounts.
These steps are often used when calculating discounts, completing discount worksheets, or calculating prices using discounts.
Discount formula
\(\ \text{Discount} = \text{List Price} - \text{Selling Price} \ \)
Calculating Discount Percentage
A discount can be shown as a fixed amount or as a percentage. When an item is sold for less than its original list price, the difference is called the discount. When this reduction is written as a percentage, it becomes the discount percentage or discount rate. This calculation is commonly used to calculate sales discounts, for accounting, to calculate sales tax, in discount worksheets, and to learn the formula for calculating discounts.
\(\ \text{Discount (%)} = \frac{\text{List Price} - \text{Selling Price}}{\text{List Price}} \times 100 \ \)
\(\ \text{Discount %} = \left( \frac{\text{Discount}}{\text{List Price}} \right) \times 100 \ \)
Discounts are often offered by the distributors to customers to increase their sales. There are different types such as trade discounts, quantity discounts, and promotional discounts.
Trade discount: This type of discount is offered by the distributor to the retailer rather than the customer. It is given to retailers to help them sell the distributor’s products.
Promotional discount: These discounts are offered when the distributor needs to clear their stock or promote their new product. For example: “Buy 1, get 2 free”.
Quantity discount: These discounts are given to attract more customers when they purchase products in large quantities.
Discount rate: If the lowered price is given as a percentage, it is known as the discount percentage or discount rate. We can calculate the discount rate using the formula:
\(Discount \ \% = \frac {(list\ price - selling\ price)} {list\ price} × 100\) [OR]
\(Discount\ (\%) = (\frac {discount}{list \ price}) × 100\)
A discount makes the price lower when you buy something, while a rebate gives you some money back after you’ve already purchased it.
| Discount | Rebate |
| A reduction in the original price of a product or service given at the time of purchase. | A partial refund or cashback given to the customer after the purchase is completed. |
| Applied instantly during the transaction. | Given after the purchase, usually as a separate process. |
| Usually a fixed amount or percentage deducted from the original price. | A fixed or percentage amount refunded after purchase. |
| Immediately reduces the price at checkout. | Requires extra steps or paperwork to claim the rebate. |
| Encourages quick sales and attracts customers to buy immediately. | Builds customer loyalty and supports promotional marketing. |
Calculating the percentage difference helps students save money without overspending. We will now look into a few tips and tricks:
Students tend to make mistakes when calculating discounts. This can be avoided by understanding the errors and their proper solutions. Let’s look at a few common mistakes and their solutions:
Calculating discounts has numerous applications in real-world situations. Let’s take a look at them:
If you want to buy a shirt with a 30% discount that was originally priced at $500, what is the discount amount and the selling price after the discount?
$350 is the selling price and the discount is $150.
We calculate the discount amount:
\(Discount\ amount = original\ price × discount\ percentage (decimal)\)
Substituting the given values:
\($500 × 0.3 = $150\)
Calculating the selling price:
\(Selling\ price = original\ price – discount\ amount\)
\($500 – $150 = $350\)
Therefore, the selling price = $350
If a bookstore offers a 20% discount on a book that costs $100. What will be the discount amount and the selling price after the discount?
The discount amount is $20 and the selling price is $80.
We use the formula for the discount amount:
\(Discount\ amount = original\ price × discount\ percentage\)
\(Discount \ amount = $100 × 0.2 = $20\)
Calculating the selling price:
\(Selling \ price = original \ price – discount \ amount\)
\(Selling price = $100 – $20 = $80\)
Therefore, the discount amount is $20 and the selling price is $80.
If Erica’s family buys a new carpet priced at $500 which has a discount of 50%. Calculate the discount amount.
The discount amount is $250.
To calculate the discount:
\(Discount \ amount = original \ price × discount \ percentage (decimal)\)
\($500 × 0.50 = $250\)
Therefore, the discount amount is $250.
If a customer buys a computer at $1200, during a sale with a 30% discount, what was the original price?
The original price before the discount was $1714.29.
Assume x is the original price before the discount.
Since the product has a 30% discount, the customer should pay 70% of the original price:
Sale price = 70% of original price
1200 = 0.7x
Now, solve for x:
\(x = \frac{1200}{0.7}\)
\(x = 1714.29\)
Therefore, the original price before the discount was $1714.29.
If an item originally costs $700. If it has a 40% discount, then another 10%, what would be the price calculated?
The final price after the discounts was $378.
For 40% discount: \(\frac {40}{100} × $700 = $280\)
Price after first discount:
\($700 – $280 = $420\)
For the additional 10% discount: \(\frac {10}{100} × $420 = $42\)
Price after second discount:
\($420 – $42 = $378\)
We get the final price after the discounts as $378.
Dr. Sarita Tiwari is a passionate educator specializing in Commercial Math, Vedic Math, and Abacus, with a mission to make numbers magical for young learners. With 8+ years of teaching experience and a Ph.D. in Business Economics, she blends academic rigo
: She believes math is like music—once you understand the rhythm, everything just flows!






