SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 1-a Lesson: S1-L3

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

Examples:

Subtraction 25 - 5

Step 1a

Subtraction 25 from 5

Arrange the numbers vertically. Subtract one’s place digits 5 – 5 = 0. Write 0 in one’s column.

$1a$

Explanation: Start subtracting with the digit at one’s place i.e., 5 - 5 = 0 write 0 in one’s column.

Step 1b

Subtract ten’s place digits 2 - 0 = 2 write 2 in ten’s column.

$1b$

Explanation: Move to the ten’s place i.e., 2 - 0 = 2. Write 2 in the ten’s place.

Step 1c

Thus 25 - 5 = 20.

$1c$

Explanation: Therefore, the difference between the two given numbers is: 25 - 5 = 20.