Term

Definition
A letter that represents a number.
4x
x is the variable. 


Term

Definition
The solution to a multipulcation problem. 


Term

Definition
The answer to a division problem. 


Term

Definition
The number to be divided.
Ex: 6 divided by 3
6 is the dividend. 


Term

Definition
The number being used to divide another number.
Ex: 6 divided by 3
3 is the divisor 


Term

Definition
Facor a number by writing it as two or more numbers to be multiplied. 21 can be factored as 7x3. 


Term

Definition
A natural number greater than 1 that has only itself and 1 as its factors.
In other words, it can't be divided by anything other than 1 and still get an answer of a whole number.
(Ex: 2, 3, 5, 7, 11, 13, 17, 19...) 


Term

Definition
A natural number greater than 1 that is not a prime number. 


Term

Definition
To express a composite number as the product of prime numbers.
Ex. 45 = 3 x 3 x 5
45 is a composite number. 3 and 5 are prime numbers. 


Term

Definition
A reciprocal is a flipped fraction. 1/10 and 10/1 are reciprocals of each other. 


Term

Definition
Numbers used for counting. 1, 2, 3, .... 


Term

Definition
0 and natural numbers (counting numbers)
0, 1, 2, 3,... 


Term

Definition
Negatives and whole numbers
..., 2, 1, 0, 1, 2,... 


Term

Definition
All numbers that can be expressed a/b with b not equal to 0. These can also be expressed as terminating or repeating decimals.
(a/b is intended to be written like a fraction but I don't know how to do that on the computer.) 


Term

Definition
Numbers whose decimal representations are neither terminating nor repeating, such as pi or the square root of 2. 


Term

Definition
The distance from 0 on a number line, written as a number with   around it. This is always a positive number.
5 = 5 


Term

Definition
Numbers that differs only in sign, such as 3 and 3.
Also known as opposites 


Term

Definition
The terms of an algebraic expression are those separated by addition.
7x + 3
The terms are 7x and 3. 


Term

Definition
The numerical part of a term.
7x
7 is the coefficient. 


Term

Definition
The part of the term that is just a number.
7x + 3
Three is the constant term. 


Term

Definition
The parts of each term that are multiplied.
7x
The factors are 7 and x. 


Term

Definition
Addition and multiplication of two real numbers can be done in any order.
a + b = b + a
ab = ba 


Term

Definition
The way in which three numbers are grouped does not change their sum or product.
(a + b) + c = a + (b + c)
(ab)c = a(bc) 


Term

Definition
Multiplication distributes over addition.
a(b + c) = ab + ac 


Term

Definition
An equation with no solution.
x = x + 4
(There is no number that is equal to itself plus 4.) 


Term

Definition
An equation that is true for all real numbers.
x + 3 = x + 2 + 1 

