Facts about Subtraction | Subtraction of Small Numbers|Solved Examples

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The operation to finding the difference between two numbers
is called subtraction. Let us know some facts about subtraction which will help
us to learn subtraction of large numbers.

1. Subtraction with small numbers can be worked out
horizontally.

Example: 8 – 5 = 3

24 – 4 = 20

2. Subtraction with large numbers is worked out vertically.
Numbers are written under the place value chart.

Example:              Th     H     T     O

                             8     6     7     2

                       –     5     4     3     2

                             3     2     4     0


3. Zero subtracted from a number does not change the value of the number.

Example:                                H     T     O

                                              2     5     8

                                      +                   0

                                              2     5     8

4. 1 subtracted from a number gives the predecessor of the number as the difference.

Example: 

Subtraction Facts

5. The number from which the other number is to be
subtracted is called the minuend. The number subtracted is called the
subtrahend and the answer is called the difference.

Example: 

Subtraction Fact

6. If the subtrahend is missing, then the difference is
subtracted from the minuend.

Minuend – difference = subtrahend.

Example:

Subtraction Facts of Large Numbers

Workings:

Facts about Subtraction

7. To find the missing minuend, the difference is added to
the subtrahend.

Difference + subtrahend = minuend

Example:

Facts about Subtraction Pic

Workings:

Subtraction Facts

Note: Here in workings we did difference + subtrahend = minuend

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3rd Grade Math Lessons

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