SaiBook.us Addition

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

Example

Title: Addition

Grade: 3-a Lesson: S4-L1

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

Examples:

ADD 1743 and 615

Step 1a

ADD 1743 + 615

Add digits in ones place value or from the right.

$1a$

Explanation: 3, 5 are the ones place values i.e, 3 + 5 = 8. Place the 8 under the ones place in answer column.

Step 1b

Then add the tens place value.

$1b$

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

Step 1c

Add the hundred place numbers.

$1c$

Explanation: 7, 6 is the hundreds place value. Add hundreds place values i.e, 7 + 6 = 13. Place the 3 under the hundreds place column and place the 1 above 1.

Step 1d

Add the hundred place numbers.

Finally the add the thousands place numbers.

Sum of 1743 + 615 will be 2358.

$1d$

Explanation: 1, 0 are in thousands place and 1 is carry forward value.i.e, 1 + 1 + 0 = 2. Place the 5 next to the 1 in the answer row i.e, 1743 + 615 = 2358.