1. Lesson 1-3 Exponents Vocab
Word Definition Example
73 means the product of three
Power To show a number multiplied by itself
7’s
Base the number that is used as a factor base73
tells how many times a number is used as
Exponent 73exponent
a factor
When the exponent is 2. It can be read
Squared 72
“seven squared”
When the exponent is 3. It can be read
Cubed 73
“seven cubed”
7 • 7 • 7 written in
Exponential When a number is written with a base and
exponential form is:
form an exponent
73
Lesson 1-4 Order of Operations
Word Definition Example
4+8÷2•6
numerical a mathematical phrase that includes only
expression numbers and operation symbols
371 – 203 + 2
evaluate to find the value of a numerical expression 3+2=5
the result when two or more numbers are 3+2=5
sum
added 5 is the sum
the result when one number is subtracted from 6–4=2
difference
another 2 is the difference
the result when two or more numbers are 3•2=6
product
multiplied 6 is the product
a number that is multiplied by another number 3•2=6
factor
to get a product 3 and 2 are the factors
the result when one number is divided by 6÷3=2
quotient
another 2 is the quotient
when an expression has more than one
order of
operation, you must know which operation to See examples below
operations
do first

2. Lesson 2-1 Variables & Expressions
VOCABULARY DEFINITION EXAMPLE
A number that is alone. It is a value that 4, 5, 6,
constant
does not change. (any number)
A letter or symbol used to represent a
x=6
variable number that we don’t know yet. The
any letter can be used
value that can change.
algebraic A mathematical phrase that contains at
x+2
expression least one variable
3x + 4
the parts of an expression that are
term 3x = term
separated by a + or - sign
4 = term
4x is the
coefficient a number used to multiply a variable (same as 4 x)
the “4” is the coefficient
Lesson 2-3 Equations & Solutions
VOCABULARY DEFINITION EXAMPLE
A mathematical statement that two 4 2=8
EQUATION
quantities are equal. 3+2=5
4x=8
x=2
The value of the variable that makes
SOLUTION
the equation true.
s+2=5
s=3