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The straightforward Operations

In an easy mathematics over there are many ways of speak the same thing:


Addition is ...

... Bringing two or an ext numbers (or things) together to do a brand-new total.

The number to be added together are called the "Addends":

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Subtraction is ...

... Taking one number away from another.

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Minuend − Subtrahend = Difference

Minuend:The number that is to it is in subtracted from.Subtrahend:The number the is to be subtracted.Difference: The result of individually one number from another.

Multiplication is ...

... (in its easiest form) repeated addition.

Here we check out that 6+6+6 (three 6s) do 18:

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It can also be stated that 3+3+3+3+3+3 (six 3s) make 18

But we can also multiply by fountain or decimals, i beg your pardon goes beyond the simple idea of repetitive addition:


Example: 3.5 × 5 = 17.5

which is 3.5 many 5, or 5 several 3.5


Division is ...

... Dividing into equal parts or groups. That is the an outcome of "fair sharing".

Division has actually its own special words to remember.

Let"s take the simple question the 22 separated by 5. The answer is 4, v 2 left over.

Here we watch the crucial words:

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Which can additionally be in this form:

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A portion is ...

... Component of a whole.

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The top part (the numerator) says how numerous parts we have.

The bottom component (the denominator) claims how plenty of parts the whole is separated into.

See fountain for much more details.

A Decimal Number is ...

... A number that consists of a Decimal Point.

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See decimals for an ext details.

A percentage is ...

... Components per 100. The prize is %

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Example: 25% means 25 every 100 (25% of this box is green)


See Percentages for an ext details.

Average (Mean) is ...

... The sum separated by the count.

We calculation the mean by adding up every the values, then division by how many values.

See more: Pro Sports Teams That Start With M Names, Team Names That Start With M


Example: What is the median of 9, 2, 12 and also 5?

Add up all the values: 9 + 2 + 12 + 5 = 28

Divide by how many values (there are four of them): 28 ÷ 4 = 7

So the typical is 7


See average for much more details.


Illustrated Mathematics dictionary Numbers Index