SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 3-a Lesson: S3-L8

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

Examples:

Subtract 2449 - 738

Step 1a

Subtract 2449 - 738

Write the numbers below the other as per the places of the digits i.e.., 2449 - 738.

$1a$

Explanation: Arrange the numbers accourding to their place values.

Step 1b

Start with the digits in ones place i.e., 9 - 8 = 1.

$1b$

Explanation: Now subtract the digits from one’s place 9 - 8 and the difference is 1, write this number under the ones digit.

Step 1c

Subtract the digits in the tens column 4 - 3. Here the difference is 1.

$1c$

Explanation: Now subtract the digit in ten’s place. so it will be 4 - 3 = 1. Write 1 in ten’s column.

Step 1d

Subtract the digits in the hundredth’s column 4 - 7 we have to take 1 borrowing from thousands place because 4 is less than 7.

$1d$

Explanation: Now subtract the digit in hundred’s place. so it will be 14 - 7 = 7. Write 7 in hundred’s column.

Step 1e

Subtract the digits in the thousand’s column 1 - 0. Here the difference is 1. Therefore, the difference is 2449 - 738 = 1711.

$1e$

Explanation: Now subtract the digit in thousand’s place. so it will be 1 - 0 = 1. Write 1 in thousand’s column. Hence, 2449 - 738 = 1711.