Topic: Integers
HF123
Page 12
L 3.1 p.82
Level: Apply
Do: Simplify an algebraic expression by combining like terms.
Essential Question: How can you simplify an algebraic expression?
Questions:
An ____________ _____________ is a
mathematical phrase that contains __________,
___________, or any combination of numbers
and variables and at least one mathematical
____________.
When a _______ sign separates an algebraic
expression into parts, each part is called a
_______. The numerical factor of a term that
contains a variable is called the
_______________ of the variable.
_______ ________ contain the same variables,
such as 2x and x. A term without a variable is
called a ____________. Constant terms are also
like terms.
A) Identifying Terms and Like Terms.
Identify the terms and like terms in the expression.
1)
Terms:
Like Terms:
Coefficients:
Constants:
Questions:
2)
Terms:
Like Terms:
Coefficients:
Constants:
An algebraic expression is in __________
________ when it has ____ _______ _________
and no ______________. To __________
like terms, add the coefficients and follow integer
rules. Tip: to subtract a variable term, add the
term with the opposite coefficient.
B) Simplifying an Algebraic Expression.
Simplify the expression.
3
Questions:
5
C) Simplifying an Algebraic Expression.
Simplify.
7
8
Questions:
D) Real-Life Application.
You and a group of friends decide to go to the movies. Each
person in the group buys a ticket, a large drink and a medium
popcorn. Write an expression in simplest form that represents
the amount of money the group spends at the movies.
Summary: