Subtraction: What is Subtract? Definition, Method, Examples, Facts
Subtraction is an arithmetic operation that involves taking away one number (the minuend) from another number (the subtrahend). The result of the subtraction is called the difference.
The method for performing subtraction depends on the size of the numbers being subtracted. For small numbers, it is typically done by counting backwards from the larger number to the smaller number. For larger numbers, a more systematic approach is used, such as borrowing or regrouping digits.
Here are some examples of subtraction:
* 10 – 5 = 5
* 27 – 13 = 14
* 98 – 64 = 34
Some interesting facts about subtraction include:
* Subtraction is the inverse operation of addition, meaning that adding the result of a subtraction problem back to the original minuend will give you back the original number.
* In ancient times, subtraction was often performed using counting sticks or other physical objects, rather than written numerals.
* The concept of negative numbers emerged in ancient India as a way to represent the results of subtraction.
References:
“Subtraction.” Math Is Fun, https://www.mathsisfun.com/subtraction.html.
“History of Subtraction.” ThoughtCo, https://www.thoughtco.com/history-of-subtraction-303569.
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