SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 2-a Lesson: S4-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 724 - 82

Step 1a

Subtract 724 - 82

To begin, subtract from the units place.

$1a$

Explanation: The digits in the units place are 4 and 2. 4 - 2 = 2 write this number under the ones place.

Step 1b

Subtract the digit in the tens place from the tens digit.

$1b$

Explanation: 2, 8 are in tens place, Subtracting 8 from 2 we have to take 1 burrowing from hundreds place.

Step 1c

Let’s subtract the values in the tens place.

$1c$

Explanation: Now write this number under the tens place 12 - 8 = 4.

Step 1d

subtract the digits in hundreds place 6 - 0 = 6 now 724 - 82 = 642.

$1d$

Explanation: We are subtracting 82 from 724, which equals 642.