SaiBook.us Addition

Example

Title: Addition

Grade: 2-a Lesson: S4-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 745 and 27

Step 1a

Add 745 + 27

Aarrange the numbers according to their place values.

Start adding the numbers from ones to right i.e., 5 + 7 = 12.

$1a$

Explanation: Add the digits in the ones place (5 + 7 = 12). Write down 2 in the ones column.

Step 1b

Now we add the tens digit i.e., 4 + 2 + 1 = 7.

Write down 7 in the tens column and carry 0 to the hundreds column.

$1b$

Explanation: Add the digits in the tens column(0 + 7 = 7). Write down 7 in the tens column and carry 0 to the hundreds column.

Step 1c

After this ,add the digits in hundreds columni.e., 0 + 7 = 7.

After adding both the columns we get, 745 + 27 = 772.

$1c$

Explanation: Add the digits in hundreds column(0 + 7 = 7). Therefore the sum of 745 and 27 is 772.