SaiBook.us Addition

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

Example

Title: Addition

Grade: 1-a Lesson: S2-L6

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

Examples:

ADD 68 and 4

Step 1a

Add 68 + 4

Add digits in ones place value or from the right.

$1a$

Explanation: 8 , 4 are the ones place values i.e., 8 + 4 = 12 12 is larger than ten so you have to regroup or carry. Place the 2 under the one’s place column and place the 1 above 6

Step 1b

Add the tens place value.

$1b$

Explanation: 6 is the tens place value, and 1 is the carry forward value. Add tens place value and carry forward value i.e., 6 + 1 = 7

Step 1c

Finally the sum of 68 + 4 will be 72.

$1c$

Explanation: Place the 7 next to the 2 in the answer row i.e, 68 + 4 = 72