SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 2-a Lesson: S3-L1

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

Examples:

Subtract 515 - 72

Step 1a

Subtract 515 - 72

Start subtracting from units place.

$1a$

Explanation: Arrange the numbers in order 5 , 2 are in units place, subtracting 2 from 5 is 3.

Step 1b

Subtracting the digits from tens place.

$1b$

Explanation: 1 , 7 are in tens place, Subtracting 7 from 1. We cannot subract 7 from 1 so we take a borrowing 1 from hundreds place.

Step 1c

Now subtracting tens place values.

$1c$

Explanation: Now subtract 1 value is become 10 while it taking on tens place from hundreds place now 10 + 1 = 11.

Step 1d

Subtract the hundred place values already 1 is burrowed to tens place now remaining 4 - 0 = 4.

$1d$

Explanation: Subtracting 72 from 515. i.e., 443.