What is Expensive vs Cheap?

S1-SA4-0508

Grade Level:

Class 2

Finance, Economics, Computing, AI

Definition

What is it?

Something is 'expensive' when its price is high, meaning you need to pay a lot of money to buy it. Something is 'cheap' when its price is low, meaning you pay less money for it. We compare prices to decide if something is expensive or cheap.

Simple Example

Quick Example

Imagine you want to buy a packet of biscuits. One packet costs ₹10, and another bigger packet costs ₹50. The ₹50 packet is expensive compared to the ₹10 packet, which is cheap.

Worked Example

Step-by-Step

Let's compare the price of two toys:

Step 1: Find the price of Toy A. Toy A (a small car) costs ₹75.
---
Step 2: Find the price of Toy B. Toy B (a robot) costs ₹250.
---
Step 3: Compare the two prices. ₹75 is less than ₹250.
---
Step 4: Decide which is cheap and which is expensive. Toy A (₹75) is cheap. Toy B (₹250) is expensive.
---
Answer: The small car is cheap, and the robot is expensive.

Why It Matters

Understanding expensive vs. cheap helps us make smart choices with money, which is important in Finance. In Economics, it helps businesses set prices and understand what customers can afford. In computing and AI, algorithms are built to compare prices and find the best deals for online shopping, helping people save money.

Common Mistakes

MISTAKE: Thinking that 'expensive' always means bad quality. | CORRECTION: Price doesn't always show quality. Sometimes a cheap item can be good, and an expensive item might not be worth its price.

MISTAKE: Comparing prices without considering quantity or size. | CORRECTION: Always check how much you get for the price. A ₹100 packet of chips might seem expensive, but if it's a giant family pack, it might be cheaper per chip than a ₹20 small packet.

MISTAKE: Only looking at the numerical value of the price. | CORRECTION: Think about what you can afford. ₹50 might be cheap for a rich person but expensive for someone with very little money.

Practice Questions

Try It Yourself

QUESTION: A small ball costs ₹20. A big bat costs ₹300. Which one is cheap? | ANSWER: The small ball is cheap.

QUESTION: Your favourite ice cream costs ₹60. Your friend's favourite chocolate bar costs ₹45. Which item is more expensive? | ANSWER: The ice cream is more expensive.

QUESTION: A 1 kg bag of rice costs ₹80. A 5 kg bag of rice costs ₹350. Is the 5 kg bag cheaper per kg than the 1 kg bag? Show your calculation. | ANSWER: Yes, the 5 kg bag is cheaper per kg. (5 kg bag: ₹350 / 5 kg = ₹70 per kg; 1 kg bag: ₹80 per kg. ₹70 is less than ₹80).

MCQ

Quick Quiz

Which of these is the best way to decide if something is expensive or cheap?

Only looking at the colour of the item

Comparing its price to other similar items or your budget

Asking your friend if they like it

Checking how heavy the item is

The Correct Answer Is:

To decide if something is expensive or cheap, you must compare its price to other similar items or consider if you can afford it with your money. Other options are not related to price comparison.

Real World Connection

In the Real World

When you buy groceries, your parents often compare prices of different brands of atta or dal to see which one is cheaper for the same quality and quantity. Online shopping apps like Flipkart or Amazon also show you 'compare prices' options to help you find the cheapest deal for a mobile phone or a new pair of shoes.

Key Vocabulary

Key Terms

PRICE: The amount of money you pay for something | EXPENSIVE: Costs a lot of money | CHEAP: Costs little money | COMPARE: To look at two or more things to see how they are similar or different | BUDGET: The total amount of money you have available to spend

What's Next

What to Learn Next

Now that you understand expensive and cheap, you can learn about 'Saving Money' and 'Budgeting'. These concepts will help you make smart decisions about how to spend your money wisely and plan for things you want to buy in the future.