Large Numbers | Class 7 Mathematics Notes
By ConceptScroll Team · Published on 17 July 2026 · 2 min read
Large Numbers – this guide gives you a concise, exam-ready overview of Large Numbers from Class 7 Mathematics, written by ConceptScroll editors and reviewed against the latest NCERT textbook.
Comparing Large Numbers
In this section, students learn how to compare large numbers to determine which is greater, smaller, or if they are equal. The process involves comparing the number of digits first; the number with more digits is larger. If the number of digits is the same, the comparison is done digit by digit from left to right. The section explains that place value plays a critical role in comparison, as digits in higher place values have more significance. It also introduces the use of comparison symbols such as '>', '<', and '=' to represent greater than, less than, and equal to, respectively. The section includes examples that demonstrate step-by-step comparisons, reinforcing the method. Additionally, it discusses real-life scenarios where comparing large numbers is necessary, such as comparing populations of cities or distances between places.
📊 Diagram: The diagram shows two large numbers side by side with arrows pointing to digits being compared, illustrating the step-by-step comparison process.
🧪 Activity: Students are given pairs of large numbers to compare using the explained method and symbols, reinforcing understanding through practice.
🔗 Connection: This section leads to 'Estimation of Large Numbers', where students learn to approximate large numbers for easier handling.
Frequently asked questions
In the Indian numbering system, which of the following correctly represents the place value immediately after thousands?
Ten thousands
What is the correct way to place commas in the number 123456789 according to the Indian numbering system?
12,34,56,789
Write the number 7,89,45,321 in words using the Indian numbering system.
Seven crore eighty-nine lakh forty-five thousand three hundred twenty-one
Compare the two numbers 9,87,65,432 and 9,87,65,431 and state which one is greater.
The number 9,87,65,432 is greater than 9,87,65,431 because both have the same number of digits, so we compare digit by digit from left to right. They are equal up to the last digit, where 2 is greater than 1.
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