Vocabulary
#1 INTEGER
• A natural number, the opposite of a natural
number, or zero. Any number from the set of
numbers represented by {…, –3, –2, –1, 0, 1, 2, 3, …}.
#2 FACTOR
An integer that divides into another
integer exactly is called a factor.
List all of the factors of 12.
1, 2, 3, 4, 6, 12
#3 MULTIPLE
A multiple is the result of multiplying a
number by an integer.
List the first 4 multiples of 5.
5, 10, 15, 20
#4 ORDER OF OPERATIONS
• Rules describing what order to use
when simplifying expressions. PEMDAS
1) Perform operations in grouping symbols
(parentheses and brackets).
2) Evaluate exponential expressions and radical
expressions from left to right.
3) Multiply or divide from left to right.
4) Add or subtract from left to right.
#5 ABSOLUTE VALUE
• A number’s distance from zero on the
number line. It is written |x| and is read “the
absolute value of x.”
Identify the parts of the term 5x3
5 is
x is
3 is
#6 VARIABLE
• A letter or symbol used to represent any
number.
#7 COEFFICIENT
• The number that is in front of the variable.
#8 EXPONENT
• The power to which a number or expression
is raised.
#9 LIKE TERMS
• Terms that contain the same variables that
are raised to the same powers (e.g., 𝟒𝒙𝟑
and 𝟏𝟐𝒙𝟑 ).
#10 FACTOR-(VERB)
• To express a number, term, or polynomial as
the product of two or more factors.
• In English: to break up a number, term or
polynomial into parts that can be multiplied
together to get the original number, term or
polynomial.
#11 RATIONAL EXPRESSION
• An expression that can be written as a
polynomial divided by a polynomial.
• An expression that is the ratio of 2
polynomials.
# 12 EXPRESSION
• A mathematical phrase that includes
operations, numbers, and/or variables.
Does not have an = sign or any
inequality sign.
#13 EQUATION
• A mathematical statement or
sentence that says one expression or
quantity is equal to another. Will
always have an equal sign.
#14: ORDERED PAIR
A pair of numbers, written as (x, y),
used to locate a point on a coordinate plane.
#15 COORDINATE PLANE
Plane formed by perpendicular number lines.
The horizontal number line is the x-axis, and
the vertical number line is the y-axis.
#16 ORIGIN
The point where the axes meet is called the
origin and it has coordinates (0, 0).
If we get rid of the x and 3, we are
left with 5.
What is the name of a number by
itself?
# CONSTANT
• A term or expression with no variable in it. It
has the same value all the time.