Example

Title: Subtraction

Grade: 3-a Lesson: S4-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 7992 - 970

Step 1a

Subtract 7992 - 970

Write the numbers below the other as per the places of the digits i.e.., 7992 - 970.

1a

.

Explanation: Arrange the numbers accourding to their place values.

Step 1b

Start with the digits in ones place i.e., 2 - 0 = 2.

1b

.

Explanation: Now subtract the digits from one’s place 2 - 0 and the difference is 2, write this number under the ones digit.

Step 1c

Subtract the digits in the tens column 9 - 7. Here the difference is 2.

1c

.

Explanation: Now subtract the digit in ten’s place. so it will be 9 - 7 = 2. Write 2 in ten’s column.

Step 1d

Subtract the digits in the hundredth’s column 9 - 9.

1d

.

Explanation: Now subtract the digit in hundred’s place. so it will be 9 - 9 = 0. Write 0in hundred’s column.

Step 1e

Subtract the digits in the thousand’s column 7 - 0. Here the difference is 7. Therefore, the difference is 7992 - 970 = 7022.

1e

.

Explanation: Now subtract the digit in thousand’s place.so it will be 7 - 0 = 7. Write 7 in thousand’s column. Hence, 7992 - 970 = 7022.


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