SaiBook.us Subtraction

Lesson Example Discussion Quiz: Class Homework

Example

Title: Subtraction

Grade: 2-a Lesson: S1-L1

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

Examples:

Step 1a

Subtract 138 from 25

Write the numbers below the other as per the places of the digits. \$138- 25\$

$1a$

Explanation: Arrange the numbers acorrding to their place values.

Step 1b

Start with the digits in ones place i.e., 8 - 5 = 3 .

$1b$

Explanation: Now subtract the digits from one’s place 8 - 5 and the difference is 3, below the number.

Step 1c

Subtract the digits in the tens column 3 - 2.Here the difference is 1.
Now we subtract hundredth’s place i.e., (1 - 0 = 1)

Therefore, the difference is 138 - 25 = 113.

$1c$

Explanation: Now subtract the digit in ten’s place.so it will be 3 - 2 = 1.Write 1 in ten’s column.
Now subtract hundredth’s place i.e., 1 - 0 = 1

Hence, 138 - 25 = 113.