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Expanded Notation of A Number Video Lecture - Class 4

FAQs on Expanded Notation of A Number Video Lecture - Class 4

1. What is expanded notation of a number?

Ans. Expanded notation of a number is a way of representing a number by showing the value of each digit in a place value chart. It involves breaking down a number into its individual place values, such as units, tens, hundreds, etc., and then writing it as the sum of these place values.

2. How do you write a number in expanded notation?

Ans. To write a number in expanded notation, you need to break it down into its place values. For example, if we have the number 543, we can write it as 500 + 40 + 3. This represents the value of each digit in the number based on its position in the place value chart.

3. Why is expanded notation useful?

Ans. Expanded notation is useful because it helps us understand the value and place of each digit in a number. It provides a clear visual representation of the number's composition and allows for easier manipulation and computation. It is particularly helpful in understanding addition and subtraction of multi-digit numbers.

4. Can expanded notation be used for decimal numbers?

Ans. Yes, expanded notation can be used for decimal numbers as well. In this case, each digit after the decimal point has a specific place value, such as tenths, hundredths, thousandths, etc. The value of each digit is represented by multiplying it with the corresponding place value.

5. How can expanded notation help in understanding larger numbers?

Ans. Expanded notation can help in understanding larger numbers by breaking them down into smaller, more manageable parts. By representing a number in expanded form, we can easily identify the value of each digit and see how they contribute to the overall value of the number. This makes it easier to comprehend and manipulate larger numbers in arithmetic operations.

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Oct 16, 2025 Last updated

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