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Learning by Doing

Objective: To understand the best deal by discount.
Materials Required: Collection of some items such as text books, notebooks, toys,

pen-pencils, shoes, etc., some colourful stickers for making the price tags, fake
currency notes of `10, `50, `100, `200, and `500
Procedure:
• Divide the students in pairs. One student takes on role of shopkeeper, and the other takes
on the role of customer.

• Some relevant prices are marked on things and given to student 1.
• Fake currency is given to student 2.

• The student posing as shopkeeper decides the marked price of goods and discounts to

be offered on them. (Discount = Marked Price – Selling Price)
• Student posing as customer buys the things using fake currency.

• After completing the transaction, each pair calculates the percentage of profit or loss

made by student 1 and records their findings in the tables below:

S. No. CP SP Profit/Loss Profit /Loss%

Observation:

• What do you observe from the table? And which is the best deal?

237 Percentage and Its Applications