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What is One Crore?
Grade Level:
Class 5
Maths, Finance, India-specific, Data Science
Definition
What is it?
One Crore is a very large number in the Indian numbering system. It is equal to ten million (10,00,00,000 in Indian system or 10,000,000 in International system). It represents a hundred lakhs.
Simple Example
Quick Example
Imagine if every student in your school saved 10 rupees each. If there were 1000 students, you would have 10,000 rupees. Now, imagine a city where many, many people saved money, and the total amount collected was One Crore rupees. That's a lot of money!
Worked Example
Step-by-Step
Let's understand how One Crore is formed:
1. Start with 1 rupee.
2. 10 rupees make a Ten.
3. 10 Tens make a Hundred (100).
4. 10 Hundreds make a Thousand (1,000).
5. 1000 Thousands make Ten Lakh (10,00,000).
6. 10 Ten Lakhs make One Crore (1,00,00,000).
---So, One Crore is 1 followed by seven zeros: 1,00,00,000.
Why It Matters
Understanding Crore helps you make sense of big numbers used in news, government budgets, and business. It's crucial for future careers in finance, data science, or even understanding how much money a big company like Reliance earns or how much a new road project costs in India.
Common Mistakes
MISTAKE: Confusing Indian and International number systems, writing 10,000,000 for Crore. | CORRECTION: In the Indian system, One Crore is written as 1,00,00,000 with commas after the hundreds, then every two digits.
MISTAKE: Thinking One Crore is just 10 Lakh. | CORRECTION: One Crore is actually 100 Lakhs (100 x 1,00,000 = 1,00,00,000).
MISTAKE: Forgetting the number of zeros in One Crore. | CORRECTION: One Crore has seven zeros after the digit '1'.
Practice Questions
Try It Yourself
QUESTION: How many lakhs are there in one Crore? | ANSWER: 100 lakhs
QUESTION: If a new school building costs 2 Crore rupees and a library costs 50 Lakh rupees, what is the total cost in rupees? | ANSWER: 2,50,00,000 rupees
QUESTION: A mobile company sold 10,00,000 phones in January and 90,00,000 phones in February. How many phones did they sell in total, expressed in Crores? | ANSWER: 1 Crore phones
MCQ
Quick Quiz
How is One Crore written in the Indian numbering system?
10,000,000
100,000,000
1,00,00,000
1,000,000
The Correct Answer Is:
C
Option C, 1,00,00,000, correctly uses the Indian numbering system for One Crore. Option A is the International system for ten million, while options B and D represent different values.
Real World Connection
In the Real World
When you hear news about the Indian economy, like the government allocating '500 Crore rupees' for a new highway project, or a movie earning '100 Crore' at the box office, they are using this numbering system. Even big companies like Tata or Reliance deal with transactions in Crores every day.
Key Vocabulary
Key Terms
Lakh: One hundred thousand (1,00,000) | Million: One thousand thousands (1,000,000) | Numbering System: A way of writing and counting numbers | Place Value: The value of a digit based on its position in a number
What's Next
What to Learn Next
Now that you understand One Crore, you can learn about 'One Arab' and 'One Kharab'. These are even bigger numbers used in India and will help you understand really large financial figures and population counts.


