SaiBook.us Addition

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

Example

Title: Addition

Grade: 3-a Lesson: S3-L4

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

Examples:

ADD 1573 and 246

Step 1a

ADD 1573 + 246

Add digits in ones place value or from the right.

$1a$

Explanation: 3 , 6 are the ones place values i.e, 3 + 6 = 9. Place the 9 under the ones place in answer column.

Step 1b

Then add the tens place value.

$1b$

Explanation: 7 , 4 is the tens place value. Add tens place value i.e, 7 + 4 = 11 Place the 1 under the tens place column and place the 1 above 5.

Step 1c

Add the hundred place numbers.

$1c$

Explanation: 5,2 is the hundreds place value and 1 is carryforward value. Add hundreds place values and carryforward value i.e, 5 + 2 + 1 = 8. Place the 8 value in hundredth place of answer column.

Step 1d

Finally the add the thousands place numbers, sum of 1573 + 246 will be 1819.

$1d$

Explanation: Place the 1 next to the 8 in the answer row i.e, 1573 + 246 = 1819.