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A Glossary of Mathematical Terms - M


See average.


In a proportion a:b = c:d, b and c. See Extremes.

Median (2nd Quartile, 50th Percentile)

The middle value of a series of data arranged in ascending or descending order. If the number of items is even it is the mean value of the two middle values.


See Subtraction.

Mixed number

A whole number with a proper fraction: You can convert it in an improper fraction.


The value of a choice that occurs most often.


A number, a variable, or a product of numbers and variables.

Multiple (of a number)

A number obtained multiplying a given number by another number.


4 times 3: 4x3;
4 times 3 is 12: 4x3 = 12;
4 multiplied by 3 is 12: 4x3 = 12;
the product of 4 and 3 is 12: 4x3 = 12;
the numbers to be mutliplied are the factors or multiplicands;
the outcome of the multiplication is the product.

Multiplicative inverses (Reciprocals)

Two numbers whose product is 1.

first published on september 01 2003 - last updated on september 01 2003