NUMBER TYPES
Counting numbers starting at 1.
Natural Numbers
A collection of objects or numbers.
Set
A value that never changes.
constant
A math sentence containing an equals sign
Equation
Opposite operations like + and −.
Inverse
Numbers including 0 and all natural numbers.
whole numbers
A member of a set.
Element of a set
A letter representing an unknown value.
variable
Means two quantities have the same value
Equal
Rules that keep equations balanced.
Property of Equality
Positive numbers, negative numbers, and 0.
Integers
A set completely contained within another set.
subset
The number multiplying a variable.
Coefficient
The value that makes an equation true.
solution
Terms with identical variable parts
Like Terms
Numbers that can be written as a fraction.
Rational Numbers
The symbol representing all real numbers.
ℝ
A single number, variable, or product.
term
An equation with no value that works.
NO SOLUTION
Changing the grouping doesn't change the answer.
Commutative Property
Numbers that cannot be written as a fraction, like π.
Irrational Numbers
Includes rational and irrational numbers
Real Numbers
A math phrase without an equals sign.
Expression
An equation true for every real number.
Infinite Solutions / All Real Numbers
Multiply a number outside parentheses to each term inside.
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