SaiBook.us Addition

Example

Title: Addition

Grade: 2-a Lesson: S2-L2

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

Examples:

Add 256 and 44

Step 1a

Add 256 + 44

Aarrange the numbers according to their place values.

Start adding the numbers from ones to right i.e., 6 + 4 = 10.

$1a$

Explanation: Add the digits in the ones place (6 + 4 = 10).Write down 0 in the ones column. and write down 1 in the tens column.

Step 1b

Now we add the tens digit i.e., 5 + 4 + 1(carry-over) = 10.Write down 0 in the tens column and write carry 1 to the hundreds column.

$1b$

Explanation: Add the digits in the tens column(5 + 4 + 1 = 10).

Step 1c

After this ,add the digits in hundreds columni.e.,1 + 2 = 3.

After adding both the columns we get, 256 + 44 = 300.

$1c$

Explanation: Add the digits in hundreds column(1 + 2 = 3). Therefore the sum of 256 and 44 is 300.