SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 3-a Lesson: S1-L6

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

Examples:

Subtract 586 - 42

Step 1a

Subtract 586 - 42

Arrange the numbers vertically. Subtract ones 6 - 2 = 4. Write 4 in ones column.

$1a$

Explanation: Start with the digit at ones place i.e., 6 - 2 = 4. Write 4 in ones column.

Step 1b

Subtract tens and write in the tens place, 8 - 4 = 4. Here write 4 in tens column.

$1b$

Explanation: Move to the tens place i.e., 8 - 4 = 4. Write 4 in the tens place.

Step 1c

Subtract the numbers under the hundreds column 5 - 0 = 5. Write 5 in the hundreds column.

$1c$

Explanation: Now subtract hundreds column, i.e., 5 - 0 = 5 and write 5 in the hundreds column.

Step 1d

Hence, the difference between the given numbers is 544.

$1d$

Explanation: Thus 586 - 42 = 544.