SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 3-a Lesson: S3-L5

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

Examples:

Subtract 2049 - 625

Step 1a

Subtract 2049 - 625

Write the numbers below the other as per the places of the digits i.e.., 2049 - 625.

$1a$

Explanation: Arrange the numbers accourding to their place values.

Step 1b

Start with the digits in ones place i.e., 9 - 5 = 4.

$1b$

Explanation: Now subtract the digits from one’s place 9 - 5 and the difference is 4, write this number under ones digit.

Step 1c

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

$1c$

Explanation: Now subtract the digit in ten’s place. so it will be 4 - 2 = 2. Write 2 in ten’s column.

Step 1d

Subtract the digits in the hundredth’s column 0 - 2 we have to take 1 borrowing from thousands place because 0 is less than 2"

$1d$

Explanation: Now subtract the digit in hundred’s place. so it will be 10 - 2 = 8. Write 8 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 2049 - 625 = 1424.

$1e$

Explanation: Now subtract the digit in thousand’s place. so it will be 1 - 0 = 1. Write 0 in thousand’s column. Hence, 2049 - 625 = 1424.