SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 3-a Lesson: S4-L7

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

Examples:

Subtract 8745 - 1000

Step 1a

Subtract 8745 - 1000

Write the numbers below the other as per the places of the digits i.e.., 8745 - 1000.

$1a$

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, write this number under the ones digit.

Step 1c

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

$1c$

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

Step 1d

Subtract the digits in the hundredth’s column 7 - 0.

$1d$

Explanation: Now subtract the digit in hundred’s place. so it will be 7 - 0 = 7. Write 7 in hundred’s column.

Step 1e

Subtract the digits in the thousand’s column 8 - 1. Here the difference is 7. Therefore, the difference is 8745 - 1000 = 7745.

$1e$

Explanation: Now subtract the digit in thousand’s place. so it will be 8 - 1 = 8. Write 8 in thousand’s column. Hence, 8745 - 1000 = 7745.