Variable Variables

x, y

3, x

y, 3

x, 3

5

y

+

=

m, n

4, 10

m, 4

n, 10

A number that adds to a variable, such as 3 in 3x.

A number that divides a variable, such as 3 in 3x.

A number that multiplies a variable, such as 3 in 3x.

A number that subtracts from a variable, such as 3 in 3x.

7

5

x

-5

x

y

z

w

5, -2

p, h

4, -2

5, 4

A fixed number that does not change.

A symbol, often a letter, that represents a number that can change.

A type of equation used to solve problems.

A mathematical operation such as addition or subtraction.

3

4

z

-1

A variable that can change value

A fixed value that does not change, often a number.

A mathematical operation that varies

A type of equation that has no solution.