SaiBook.us Addition

Example

Title: Addition

Grade: 1-a Lesson: S4-L8

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

Examples:

Add 100 and 9

Step 1a

Add 100 + 9

Start with the digits in ones place (0 + 9 = 9).

$1a$

Explanation: Add the digits in the ones place (0 + 0 = 0). Write down 0 in the ones column.

Step 1b

Now we add the tens digit (0 + 0 = 0) and hundreds column (1 + 0 = 1).

$1b$

Explanation: Add the digits in the tens column (1 + 0 = 1) and hundreds column(1 + 0 = 1).

Step 1c

Therefore the sum of 100 + 9 = 109.

$1c$

Explanation: The answer to the addition of 100 and 9 is 109.