Example

Title: Addition

Grade: 1-a Lesson: S1-L2

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

Examples:

ADD 18 + 3

Step 1a

Add 18 and 3

Add digits in one place value or from the right.

1a

.

Explanation: 8,3 are the ones place values i.e, 8 + 3 = 11. 11 is larger than ten so you have to regroup or carry. Place the 1 under the one’s place column and place the 1 above 1

Step 1b

Then add the tens place value.

1b

.

Explanation: 1 is the tens place value, and 1 is the carry forward value. Add tens place value and carry forward value i.e, 1 + 1 = 2

Step 1c

Finally the sum of 18 + 3 will be 21.

1c

.

Explanation: Place the 2 next to the 1 in the answer row i.e,18 + 3 = 21


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