SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 3-a Lesson: S3-L6

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

Examples:

Subtract 2045 - 744

Step 1a

Subtract 2045 - 744

Write the numbers below the other as per the places of the digits i.e.., 2045 - 744.

$1a$

Explanation: Arrange the numbers accourding to their place values.

Step 1b

Start with the digits in ones place i.e., 5 - 4 = 1.

$1b$

Explanation: Now subtract the digits from one’s place 5 - 4 and the difference is 1, write this number under the ones digit.

Step 1c

Subtract the digits in the tens column 4 - 4. Here the difference is 0.

$1c$

Explanation: Now subtract the digit in ten’s place. so it will be 4 - 4 = 0. Write 0 in ten’s column.

Step 1d

Subtract the digits in the hundredth’s column 0 - 7 we have to take 1 borrowing from thousands place because 0 is less than 7.

$1d$

Explanation: Now subtract the digit in hundred’s place. so it will be 10 - 7 = 3. Write 3 in hundredth’s column.

Step 1e

Subtract the digits in the thousand’s column 1 - 0. Here the difference is 1. Therefore, the difference is 2045 - 744 = 1301.

$1e$

Explanation: Now subtract the digit in thousand’s place. so it will be 1 - 0 = 1. Write 1 in thousand’s column. Hence, 2045 - 744 = 1301.