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Subtraction: how to do Subtraction of One-digits

To subtract one-digit numbers, follow these steps:

1. Line up the two numbers vertically.
2. Align the digits that you will be subtracting under each other.
3. Subtract the digit in the ones place from the digit in the ones place of the minuend (the number being subtracted from).
4. If the difference is zero or negative, write down a zero and carry over a 1 to the next column on the left.
5. If there is no digit in the ones place of the minuend, borrow a 10 from the tens place and add it to the ones place.
6. Repeat step 3 for each column, working from right to left.

Example:
Subtract 8 from 17:

“`
17
– 8
——-
19
“`

In this example, we subtract 8 from 7 in the ones place to get 9. We don’t need to borrow any numbers because 7 minus 8 is not possible without borrowing. Therefore, the answer is 9.

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10 Mega Reasons Why Subtraction is Important in your Life

Subtraction is an essential mathematical operation that allows us to determine the difference between two or more numbers. Here are ten mega reasons why subtraction is important in our lives:

1. Money management: Subtracting the cost of expenses from your income helps you keep track of how much money you have left and make informed decisions about spending.

2. Time calculation: Subtracting one time period from another is a crucial skill for calculating how much time has passed, planning schedules, and estimating arrival times.

3. Sports statistics: In sports, subtraction is used to calculate scores, goal differences, and other statistical measures that help teams and fans understand the performance of players and teams.

4. Scientific research: Scientists use subtraction to measure changes in variables over time, analyze data, and draw conclusions about cause-and-effect relationships.

5. Cooking measurements: When baking or cooking, subtraction is often used to adjust recipes based on available ingredients, ensure portion control, and avoid waste.

6. Geography: Subtraction is used to calculate distances between locations on maps and plan routes for travel.

7. Engineering design: Engineers use subtraction to calculate dimensions, volumes, and areas of structures, components, and materials during the design process.

8. Environmental monitoring: Scientists use subtraction to monitor changes in environmental conditions, such as air quality, water levels, and temperature.

9. Personal finance: Subtracting debt from assets can help individuals manage their finances, improve credit scores, and achieve financial goals.

10. Everyday problem-solving: Subtraction is a fundamental tool for solving everyday problems, such as calculating change, figuring out discounts, and measuring distances.

References:
– Khan Academy. (n.d.). Subtraction. Retrieved from https://www.khanacademy.org/math/arithmetic/arith-review/composite-operations/a/subtraction
– MathisFun.com. (n.d.). Subtraction. Retrieved from http://www.mathsisfun.com/subtraction.html

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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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Subtraction: how to do Subtraction of One-digits

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10 Mega Reasons Why Subtraction is Important in your Life

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Subtraction: What is Subtract? Definition, Method, Examples, Facts

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