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Illustrated mathematics Dictionary

The simple Operations

In basic mathematics there are numerous ways of speak the same thing:

Addition is ...

... Bringing 2 or much more numbers (or things) together to make a brand-new total.

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


Subtraction is ...

... Acquisition one number away from another.

Minuend − Subtrahend = Difference

Minuend:The number that is to it is in subtracted from.Subtrahend:The number that is to be subtracted.Difference: The an outcome of subtracting one number from another.

Multiplication is ...

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

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


It can likewise be stated that 3+3+3+3+3+3 (six 3s) do 18

But us can additionally multiply by fractions or decimals, i beg your pardon goes past the straightforward idea of recurring addition:

Example: 3.5 × 5 = 17.5

which is 3.5 several 5, or 5 lots of 3.5

Division is ...

... Splitting into equal parts or groups. It is the result of "fair sharing".

Division has its own special words to remember.

Let"s take it the straightforward question the 22 split by 5. The price is 4, through 2 left over.

Here we watch the essential words:


Which can also be in this form:


A portion is ...

... Component of a whole.


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 more details.

A Decimal Number is ...

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


See decimal for an ext details.

A portion is ...

... Components per 100. The price is %


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

See Percentages for much more details.

Average (Mean) is ...

... The sum separated by the count.

We calculate the average by adding up every the values, then division by how numerous values.

See more: How Many Pounds Is 500 Grams To Pounds (Metric), Convert 500 Grams To Pounds

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

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

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

So the median is 7

See typical for more details.

Illustrated Mathematics dictionary Numbers Index