SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 3-a Lesson: S4-L1

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

Examples:

Subtract 2784 - 973

Step 1a

Subtract 2784 - 973

Write the numbers below the other as per the places of the digits i.e.., 2784 - 973.

$1a$

Explanation: Arrange the numbers accourding to their place values.

Step 1b

Start with the digits in ones place i.e., 4 - 3 = 1.

$1b$

Explanation: Now subtract the digits from one’s place 4 - 3 and the difference is 1, write this number under the ones digit.

Step 1c

Subtract the digits in the tens column 8 - 7. Here the difference is 1.

$1c$

Explanation: Now subtract the digit in ten’s place. so it will be 8 - 7 = 1. Write 1 in ten’s column.

Step 1d

Subtract the digits in the hundredth’s column 7 - 9 we have to take 1 borrowing from thousands place because 7 is less than 9.

$1d$

Explanation: Now subtract the digit in hundred’s place. so it will be 17 - 9 = 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 2784 - 973 = 1811.

$1e$

Explanation: Now subtract the digit in thousand’s place. so it will be 1 - 0 = 1. Write 1 in thousand’s column. Hence, 2784 - 973 = 1811.