SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 3-a Lesson: S1-L5

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

Examples:

Subtract 477 - 56

Step 1a

Subtract 477 - 56

Arrange the numbers vertically. Subtract ones 7 - 6 = 1. Write 1 in ones column.

$1a$

Explanation: Start with the digit at ones place i.e., 7 - 6 = 1. Write 1 in ones column.

Step 1b

Subtract tens and write in the tens place, 7 - 5 = 2. Here write 2 in tens column.

$1b$

Explanation: Move to the tens place i.e., 7 - 5 = 2. Write 2 in the tens place.

Step 1c

Subtract the numbers under the hundreds column 4 - 0 = 4. Write 4 in the hundreds column.

$1c$

Explanation: Now subtract hundreds column i.e., 4 - 0 = 4 and write 4 in the hundreds column.

Step 1d

Hence, the difference between the given numbers is 421.

$1d$

Explanation: Thus 477 - 56 = 421.