Example

Title: Subtraction

Grade: 3-a Lesson: S3-L3

Explanation: The best way to understand subtraction is by looking at some examples. Take turns and read each example for easy understanding.

Examples:

Subtract 1799 - 850

Step 1a

Subtract 1799 - 850

Write the numbers below the other as per the places of the digits i.e.., 1799 - 850.

1a

.

Explanation: Arrange the numbers accourding to their place values.

Step 1b

Start with the digits in ones place i.e., 9 - 0 = 9.

1b

.

Explanation: Now subtract the digits from one’s place 9 - 0 and the difference is 9, write this number below the ones place.

Step 1c

Subtract the digits in the tens column 9 - 5. Here the difference is 4.

1c

.

Explanation: Now subtract the digit in ten’s place. so it will be 9 - 5 = 4. Write 4 in ten’s column.

Step 1d

Subtract the digits in the hundredth’s column 7 - 8 we have to take 1 borrowing from thousands place because 7 is less than 8.

1d

.

Explanation: Now subtract the digit in hundred’s place. so it will be 17 - 8 = 9. Write 9 in hundred’s column.

Step 1e

Subtract the digits in the thousand’s column 0 - 0. Here the difference is 0. Therefore, the difference is 1799 - 850 = 949.

1e

.

Explanation: Now subtract the digit in thousand’s place. so it will be 0 - 0 = 0. Write 0 in thousand’s column. Hence, 1799 - 850 = 949.


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