SaiBook.us Addition

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

Example

Title: Addition

Grade: 3-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 2510 and 770

Step 1a

ADD 2510 + 770

Add digits in ones place value or from the right.

$1a$

Explanation: 0, 0 are the ones place values i.e, 0 + 0 = 0. Place the 0 under the ones place in answer column.

Step 1b

Then add the tens place value.

$1b$

Explanation: 5, 7 is the tens place value. Add tens place value i.e, 5 + 7 = 12. Place the 2 under the tens place column and place the 1 above 1.

Step 1c

Add the hundred place numbers.

$1c$

Explanation: 1, 7 is the hundreds place value and carryforward value is 1. Add hundreds place values i.e, 1 + 7 + 1 = 9. Place the 1 under the hundreds place column.

Step 1d

Finally the add the thousands place numbers, sum of 2150 + 770 will be 2920.

$1d$

Explanation: 2, 0 are in thousands place. i.e, 2 + 0 = 2. Place the 2 next to the 1 in the answer row i.e, 2150 + 770 = 2920.