8th Grade
Lesson
Core Connections 3
MS-CCRS Taught
Preparation for 8.EE.C.7a
Solving linear equations and determining if they have one
solution, infinitely many solutions, or no solutions.
2.1.1
Preparation for 8.EE.C.7b
Focus for Lesson
This serves as an introductory
lesson to algebra tiles and
their representation of
expressions.
(2-4)
Chapter 2
MS-CCRS
Specific
Problem(s)
None
Solving linear equations and determining if they have one
solution, infinitely many solutions, or no solutions.
2.1.2
Word problems to solve
linear equations.
Combining like terms should
be the primary focus in the
lesson.
(2-12 and 2-13)
None
2.1.3
Preparation for 8.EE.C.7b
Solving linear equations with rational coefficients,
including equations whose solutions require the use of
distributive property and combining like terms.
College Preparatory Mathematics
7.EE.A.1
Add, subtract, factor,
and expand linear
expressions with
rational coefficients.
Solving linear equations with rational coefficients,
including equations whose solutions require the use of
distributive property and combining like terms.
Solving linear equations and determining if they have one
solution, infinitely many solutions, or no solutions.
7.EE.A.1
7.EE.B.4a
Preparation for 8.EE.C.7b
Preparation for 8.EE.C.7a
Pre-requisite
standards and
skills
Add, subtract, factor,
and expand linear
expressions with
rational coefficients.
Solving linear equations with rational coefficients,
including equations whose solutions require the use of
distributive property and combining like terms.
Preparation for 8.EE.C.7a
Optional
Supplements and
Adjustments
7.EE.B.4a
Word problems to solve
linear equations.
Understanding multiple
meanings of the “-“ sign,
emphasis on opposite and
negative.
It is important for students to
see connections between
building and writing the
expressions.
(2-24, 2-25, and 2-26)
None
7.EE.A.1
Add, subtract, factor,
and expand linear
expressions with
rational coefficients.
7.EE.B.4a
Word problems to solve
linear equations.
Desoto County Schools
8th Grade
Lesson
Core Connections 3
MS-CCRS Taught
Preparation for 8.EE.C.7a
Solving linear equations and determining if they have one
solution, infinitely many solutions, or no solutions.
2.1.4
Preparation for 8.EE.C.7b
Solving linear equations with rational coefficients,
including equations whose solutions require the use of
distributive property and combining like terms.
Preparation for 8.EE.C.7a
Solving linear equations and determining if they have one
solution, infinitely many solutions, or no solutions.
2.1.5
Preparation for 8.EE.C.7b
Solving linear equations with rational coefficients,
including equations whose solutions require the use of
distributive property and combining like terms.
Preparation for 8.EE.C.7a
Solving linear equations and determining if they have one
solution, infinitely many solutions, or no solutions.
2.1.6
Preparation for 8.EE.C.7b
Solving linear equations with rational coefficients,
including equations whose solutions require the use of
distributive property and combining like terms.
College Preparatory Mathematics
Focus for Lesson
Chapter 2
MS-CCRS
Specific
Problem(s)
Understanding how to create
zero pairs on the expression
mat and equivalent
expressions. Make sure to
show work by circling zero
pairs and arrows to show
movement, (see examples in
teacher’s notes)
(2-38 and 2-39)
None
Emphasis is on legal moves
with algebra tiles, specifically,
simplifying by combining like
terms and through balancing.
Students use these moves to
compare two expressions.
This will lead into multi-step
equations down the road.
(2-48 and 2-49)
None
More practice with the legal
moves. Focusing on
comparing two expressions.
(2-57)
None
Optional
Supplements and
Adjustments
Pre-requisite
standards and
skills
7.EE.A.1
Add, subtract, factor,
and expand linear
expressions with
rational coefficients.
7.EE.B.4a
Word problems to solve
linear equations.
7.EE.A.1
Add, subtract, factor,
and expand linear
expressions with
rational coefficients.
7.EE.B.4a
Word problems to solve
linear equations.
7.EE.A.1
Add, subtract, factor,
and expand linear
expressions with
rational coefficients.
7.EE.B.4a
Word problems to solve
linear equations.
Desoto County Schools
8th Grade
Lesson
Core Connections 3
MS-CCRS Taught
Preparation for 8.EE.C.7a
Solving linear equations and determining if they have one
solution, infinitely many solutions, or no solutions.
2.1.7
Focus is to relate the algebra
tile modeling with how to
write work algebraically.
(2-66)
MS-CCRS
Specific
Problem(s)
Optional
Supplements and
Adjustments
None
Add, subtract, factor,
and expand linear
expressions with
rational coefficients.
Solving linear equations with rational coefficients,
including equations whose solutions require the use of
distributive property and combining like terms.
Give examples of linear equations in one variable with one
solution, infinitely many solutions, or no solutions. Show
which of these possibilities is the case by successfully
transforming the given equation in to simpler forms, until
an equivalent equation in the form of x = a, a = a, or a = b
results (where a and b are different numbers).
8.EE.C.7b
Solve linear equations with rational number coefficients,
including equations whose solutions require expanding
expressions using the distributive property and collecting
like terms.
College Preparatory Mathematics
Pre-requisite
standards and
skills
7.EE.A.1
Preparation for 8.EE.C.7b
8.EE.C.7a
2.1.8
Focus for Lesson
Chapter 2
7.EE.B.4a
Word problems to solve
linear equations.
Solving multi-step equations
is being formed in this lesson.
Students should end the
lesson knowing how to build,
simplify, show work for, and
solve an equation.
(2-75)
See sample of showing work in
attached supplement.
None
Supplement:
Berg - Teacher notes on
how to model an equation
with algebra tiles and
algebraically. – see pictures
we took.
7.EE.A.1
Add, subtract, factor,
and expand linear
expressions with
rational coefficients.
7.EE.B.4a
Word problems to solve
linear equations.
Desoto County Schools
8th Grade
Lesson
Core Connections 3
MS-CCRS Taught
8.EE.C.7a
Give examples of linear equations in one variable with one
solution, infinitely many solutions, or no solutions. Show
which of these possibilities is the case by successfully
transforming the given equation in to simpler forms, until
an equivalent equation in the form of x = a, a = a, or a = b
results (where a and b are different numbers).
2.1.9
8.EE.C.7b
Solve linear equations with rational number coefficients,
including equations whose solutions require expanding
expressions using the distributive property and collecting
like terms.
College Preparatory Mathematics
Focus for Lesson
This lesson introduces “all
numbers” and “no solution”
equations. This will come
back up for further practice in
chapter 3 as well. Focus for
this lesson should be on
understanding when there
are no solutions or many
solutions.
(2-81 and 2-82)
Chapter 2
MS-CCRS
Specific
Problem(s)
None
Optional
Supplements and
Adjustments
Pre-requisite
standards and
skills
7.EE.A.1
Add, subtract, factor,
and expand linear
expressions with
rational coefficients.
7.EE.B.4a
Word problems to solve
linear equations.
Desoto County Schools
8th Grade
Core Connections 3
Chapter 2
Assessment Understanding According to PARCC (Section Quiz and Chapter Assessment)
MS-CCRS
EOY or
PBA
Math
Practice
PBA
3 and 6
8.D.2 – Solve multi-step contextual problems with a
degree of difficulty appropriate to Grade 8,
requiring application of knowledge articulated in
7.EE.
 Task may have scaffolding if necessary in order
to yield a degree of difficulty appropriate to
Grade 8.

8.EE.C.7b
Solve linear equations with rational number
coefficients, including equations whose solutions
require expanding expressions using the
distributive property and collecting like terms.
6 and 7
Chapter
Mastery
Now
Calculator
Solving multi-step
equations. Most
equations are
completed with
whole numbers.
Future
Number of solutions
to an equation is
emphasized in
chapter 3.
Tasks do not have a context
Now
PBA
EOY
and
PBA
College Preparatory Mathematics
Calculator or
No
Calculator
8.C.2 – Given an equation or system of equations,
present the solution steps as a logical argument
that concludes with the set of solutions (if any).
 None
8.EE.C.7a
Give examples of linear equations in one variable
with one solution, infinitely many solutions, or no
solutions. Show which of these possibilities is the
case by successfully transforming the given
equation in to simpler forms, until an equivalent
equation in the form of x = a, a = a, or a = b results
(where a and b are different numbers).
Clarifications
8.C.2 – Given an equation or system of equations,
present the solution steps as a logical argument
that concludes with the set of solutions (if any).
 None
8.D.2 – Solve multi-step contextual problems with a
degree of difficulty appropriate to Grade 8,
requiring application of knowledge articulated in
7.EE.
 Task may have scaffolding if necessary in order
to yield a degree of difficulty appropriate to
Grade 8.
No
Calculator
Modeling, writing,
and solving
equations with
integers coefficients.
Future
Emphasis on
distributive property
along with rational
coefficients comes in
chapter 3.
Desoto County Schools