Subtraction: what is subtraction tables
Subtraction tables are mathematical tools that provide quick reference for performing subtraction operations between pairs of numbers. These tables typically display the differences between two numbers in a tabular format, with one number as the minuend and the other as the subtrahend.
For example, a basic subtraction table might look like this:
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| | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|—|—-|—-|—-|—-|—-|—-|—-|—-|—-|—-|
| 0 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 2 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 3 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 4 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 5 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 6 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 7 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 8 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 9 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
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To use the subtraction table, you simply locate the row corresponding to the minuend (the number being subtracted from) and the column corresponding to the subtrahend (the number being subtracted). The intersection of these rows and columns gives you the difference between the two numbers.
Subtraction tables can be useful for students who are learning how to perform subtraction operations, as they provide a quick and easy way to find the answers without having to do the calculations from scratch. They can also be used by adults and professionals who need to perform subtraction quickly and accurately, such as in accounting or finance.
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