SaiBook.us Addition

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

Example

Title: Addition

Grade: 3-a Lesson: S4-L5

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

Examples:

ADD 1940 and 690

Step 1a

ADD 1940 + 690

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: 4, 9 is the tens place value. Add tens place value i.e, 4 + 9 = 13. Place the 3 under the tens place column and place the 1 above 9.

Step 1c

Add the hundred place numbers.

$1c$

Explanation: 9, 6 is the hundreds place value and carryforward value is 1. Add hundreds place values i.e, 1 + 9 + 6 = 16 Place the 6 under the hundreds place column and place the 1 above 1.

Step 1d

Finally the add the thousands place numbers, sum of 1940 + 690 will be 2630.

$1d$

Explanation: 1, 0 are in thousands place and 1 is carry forward value. i.e, 1 + 0 + 1 = 2. Place the 2 next to the 1 in the answer row i.e, 1940 + 690 = 2630.