Unit prices

key notes :

1. Definition of Unit Price:

  • The unit price is the cost per unit of measurement, such as per item, per liter, per kilogram, etc.
  • It helps compare prices of products sold in different quantities, allowing consumers to make informed decisions.

2. How to Calculate Unit Price:

  • The formula for unit price is:

Example: If 5 kilograms of rice cost $15, the unit price is:

3. Why Unit Prices are Important:

  • Comparison: Unit prices help compare the value of similar items sold in different sizes or quantities.
  • Budgeting: Consumers can manage their budget by choosing the best deal based on unit price.
  • Cost Efficiency: Helps identify the most cost-effective option when buying multiple items.

Learn with an example

🔔 A 3-pack of toy cars costs â‚¹21.00. What is the unit price?

Find the unit price. Divide the total cost by the number of cars.

₹21.00 ÷ 3 = â‚¹7.00

The unit price is â‚¹7.00 per car.

🔔 A 9-kilogram bag of green peppers costs â‚¹715.50. What is the unit price?

Find the unit price. Divide the total cost by the number of kilograms.

₹715.50 ÷ 9 = â‚¹79.50

The unit price is â‚¹79.50 per kilogram.

🔔 A 2-metre roll of white paper costs â‚¹42.50. What is the unit price?

Find the unit price. Divide the total cost by the number of metres.

₹42.50 ÷ 2 = â‚¹21.25

The unit price is â‚¹21.25 per metre.

Let’s Practice!