Example

Title: Subtraction

Grade: 2-a Lesson: S4-L3

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

Examples:

Subtract 819 - 45

Step 1a

Subtract 819 - 45

To begin, subtract from the units place.

1a

.

Explanation: Arrange the numbers as follows: The digits in the units place are 9 and 4 now subtract 9 - 5 = 4 and write 4 in the units place.

Step 1b

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

1b

.

Explanation: 1, 4 are in tens place, Subtracting 4 from 1 we subtract 4 from 11(since we take a burrow from hundreds place).

Step 1c

Let’s subtract the values in the tens place.

1c

.

Explanation: 11 - 4 = 7 now write this digit under tens place.

Step 1d

subtract the digits in hundreds place 7 - 0 = 7 now 819 - 45 = 774.

1d

.

Explanation: We are subtracting 45 from 819, which equals to 774.


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