SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 3-a Lesson: S4-L2

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

Examples:

Subtract 3465 - 742

Step 1a

Subtract 3465 - 742

Write the numbers below the other as per the places of the digits i.e.., 3465 - 742.

$1a$

Explanation: Arrange the numbers accourding to their place values.

Step 1b

Start with the digits in ones place i.e., 5 - 2 = 3.

$1b$

Explanation: Now subtract the digits from one’s place 5 - 2 and the difference is 3, write this number under the ones digit.

Step 1c

Subtract the digits in the tens column 6 - 4. Here the difference is 2.

$1c$

Explanation: Now subtract the digit in ten’s place. so it will be 6 - 4 = 2. Write 2 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 2 - 0. Here the difference is 2. Therefore, the difference is 3465 - 742 = 2723.

$1e$

Explanation: Now subtract the digit in thousand’s place. so it will be 2 - 0 = 2. Write 2 in thousand’s column. Hence, 3465 - 742 = 2723.