SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 3-a Lesson: S4-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 9999 - 900

Step 1a

Subtract 9999 - 900

Write the numbers below the other as per the places of the digits i.e.., 9999 - 900.

$1a$

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 under the ones digit.

Step 1c

Subtract the digits in the tens column 9 - 0. Here the difference is 9.

$1c$

Explanation: Now subtract the digit in ten’s place.so it will be 9 - 0 = 9. Write 9 in ten’s column.

Step 1d

Subtract the digits in the hundredth’s column 9 - 9.

$1d$

Explanation: Now subtract the digit in hundred’s place.so it will be 9 - 9 = 0. Write 0 in hundred’s column.

Step 1e

Subtract the digits in the thousand’s column 9 - 0. Here the difference is 9. Therefore, the difference is 9999 - 900 = 9099.

$1e$

Explanation: Now subtract the digit in thousand’s place.so it will be 9 - 0 = 9. Write 9 in thousand’s column. Hence, 9999 - 900 = 9099.