# Math Word of the Day - Week of October 4

Oct 4, 2020 | Mesa North

Math Word of the Day comes from the Math Dictionary written by Mathnasium.

### Argument

Sunday, October 4

The object upon which a function or operation acts, that is, the value at which the expression describing the function is to be evaluated. This is another name for each element in the domain of the function.

### Arithmetic

Monday, October 5

The process of changing (transforming) one number into another by using a given set of rules. The mathematics of integers, rational numbers, real numbers, and complex numbers under the operations of addition, subtraction, multiplication, and division, that is, computation.

### Associative Property

Tuesday, October 6

The law of mathematics that allows the independent grouping of elements in a problem.

Operations (such as addition and multiplication) are associative because the elements can be grouped in any order without affecting the result.

### Augend

Wednesday, October 7

A quantity to which an addend is added, that is, the quantity being augmented by an addend.

### Average (Mean)

Thursday, October 8

A number that typifies a set of given numbers; the usual; the expected value of a given set of numbers; the "evening-out" of a given set of numbers to a single number.

### Axes

Friday, October 9

Two or more mutually perpendicular lines, regarded as a frame of reference

### Axioma

Saturday, October 10

Given; an assumption which is taken to be self-evident and true; a statement which cannot be proved to be true or false.