SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 3-a Lesson: S3-L1

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

Examples:

Subtract 1555 - 650

Step 1a

Subtract 1555 - 650

Write the numbers below the other as per the places of the digits i.e.., 1555 - 650.

$1a$

Explanation: Arrange the numbers accourding to their place values.

Step 1b

Start with the digits in ones place i.e., 5 - 0 = 5.

$1b$

Explanation: Now subtract the digits from one’s place 5 - 0 and the difference is 5, below the number.

Step 1c

Subtract the digits in the tens column 5 - 5. Here the difference is 0.

$1c$

Explanation: Now subtract the digit in ten’s place so it will be 5 - 5 = 0. Write 0 in ten’s column.

Step 1d

Subtract the digits in the hundredth’s column 5 - 6 we have to take 1 borrowing from thousands place because 5 is less than 6.

$1d$

Explanation: Now subtract the digit in hundred’s place. so it will be 15 - 6 = 9. Write 9 in hundredth’s column.

Step 1e

Subtract the digits in the thousand’s column 0 - 0. Here the difference is 0. Therefore, the difference is 1555 - 650 = 905.

$1e$

Explanation: Now subtract the digit in thousand’s place. so it will be 0 - 0 = 0. Write 0 in thousand’s column. Hence, 1555 - 650 = 905.