SaiBook.us Addition

Lesson Example Discussion s1 s2 s3 s4 s5 Quiz: Class Homework

Example

Title: Addition

Grade: 3-a Lesson: S3-L1

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

Examples:

ADD 1000 and 200

Step 1a

ADD 1000 + 200

Write the numbers one below the other as per the places of the digits. 1000 + 200.

Add units place i.e., 0 + 0 = 0.

So, write 0 directly to the one’s column.

$1a$

Explanation: Arrange the number according to their place values. Start adding from the digits in ones place(0 + 0 = 0). Write 0 directly to the One’s column

Step 1b

Add ten’s place. So, it will be 0 + 0 = 0. Write 0 directly to the Ten’s place.

$1b$

Explanation: Add the digits in the tens column. This means, there is no carryover 0 + 0 = 0. Here the sum is 0. The tens digit of the sum, that is, 0. Write 0 directly to the Ten’s place.

Step 1c

Add hundred’s place. So, it will be 0 + 2 = 2. Write 2 directly to the hundred’s place.

$1c$

Explanation: Add the digits in the hundred’s column. This means, there is no carryover 0 + 2 = 2. Here the sum is 2. The hundred’s digit of the sum, that is, 2. Write 2 directly to the hundred’s place.

Step 1d

Add thousand’s place. So, it will be 1 + 0 = 1. Now there is no carryover and we can directly write 1 in the thousand’s column. Therefore, the sum of 1000 + 200 = 1200.

$1d$

Explanation: Now, add the digits in the thousand’s place, That is, 1 + 0 = 1. Hence, 1000 + 200 = 1200.