Large Numbers

# Large Numbers

## Explain in Detail :Meaning of Large Numbers

In the exciting world of mathematics, we often encounter fascinating concepts that expand our understanding of numbers. One such concept that we’ll be exploring in our CBSE maths Class 4 syllabus chapter is “Large Numbers.” These are numbers that go beyond what we use in our everyday lives, and they open up a whole new realm of possibilities in the mathematical universe. Large numbers are numbers that are too big to be counted or measured. They can be expressed in scientific notation, which uses a number followed by an “x” and a power of 10 to represent a very large number. For example, the number 1,000,000 can be written as 1.0×106.

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To add large numbers, simply line them up one under the other, and add the numbers together.

For example, to add the numbers 9,823 and 9,824, line them up like this:

9,823
9,824

+

________________________

19,647

## Subtraction of Large Numbers

To subtract large numbers, you can use the standard algorithm for subtraction, or you can use the columnar method.

Standard algorithm

To subtract two large numbers using the standard algorithm, line them up so the ones digits are aligned, and then subtract the smaller number from the larger number. If there are any digits left over after the subtraction, carry the ones digit over to the next column.

Columnar method

To subtract two large numbers using the columnar method, line them up so the ones digits are aligned, and then subtract the smaller number from the larger number. If there are any digits left over after the subtraction, write them down in the ones column. Then, subtract the tens digits, and if there are any digits left over, write them down in the tens column. Finally, subtract the hundreds digits, and if there are any digits left over, write them down in the hundreds column.

Here is an example of how to subtract two large numbers using the columnar method:

367 – 283

367 – 283

= 84

write 8 in the ones column, 4 in the tens column, and carry the 1 over to the hundreds column

## Multiplication of large numbers

To multiply two large numbers together, simply multiply the digits of each number together.

For example, to multiply 9,876,543 by 97,654:

9 * 9 = 81
8 * 7 = 56
5 * 4 = 20
3 * 6 = 18

## Division of Large Numbers

A division of large numbers is a mathematical process of dividing a large number by another large number to get a result that is a smaller number. This is done by using a calculator or a computer to divide the numbers and then displaying the result in a smaller number format. For example, the number 123,456,789 can be divided by 1,000 to get the result 123.456.789.

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