RHS Weekly Lesson Plan Template –Coordinate Algebra
Dates
Oct 20
Monday
MCC9‐12.A.REI.5 Prove
that, given a system of
two equations in two
variables, replacing
one equation by the sum
of that equation and a
multiple of the other
produces a system with
the same solutions.
How do I prove that a
system of two equations
in two variables can be
solved by multiplying
and adding to produce a
system with the same
solutions?
Warm-up:
Solve the system using
substitution.
Oct 21
Tuesday
MCC9‐12.A.REI.5 Prove
that, given a system of
two equations in two
variables, replacing one
equation by the sum of
that equation and a
multiple of the other
produces a system with
the same solutions.
How do I prove that a
system of two equations
in two variables can be
solved by multiplying
and adding to produce a
system with the same
solutions?
Warm-up:
Solve the system using
elimination.
Oct 22
Wednesday
MCC9‐12.A.REI.5 Prove
that, given a system of
two equations in two
variables, replacing one
equation by the sum of
that equation and a
multiple of the other
produces a system with
the same solutions.
How do I prove that a
system of two equations
in two variables can be
solved by multiplying
and adding to produce a
system with the same
solutions?
Warm-up:
Solve the system using
elimination.
Oct 23
Thursday
MCC9‐12.A.REI.6 Solve
systems of linear
equations exactly and
approximately (e.g., with
graphs), focusing on
pairs of linear equations
in two variables.
Oct 24 (SUB)
Friday
MCC9‐12.A.REI.6 Solve
systems of linear
equations exactly and
approximately (e.g., with
graphs), focusing on
pairs of linear equations
in two variables.
How can I use a system
of equations to model
and solve real word
scenarios?
How can I use a system
of equations to model
and solve real word
scenarios?
Warm-up:
Classify the special
systems.
Solve the linear
inequality.
Procedures/Strateg
ies
-Go over substitution
TOD/finish taking
-Notes/Video: Solving
systems by Elimination
-Elimination – Prac. B
-Go over HW
-Take turns working
problems on the board
as pairs.
-Independent Practice C
-Quiz: Solving systems by
eliminations (4 ?s)
-Special systems notes
-Classify systems of
equations
-Go over HW
-Application Problem –
Notes
- Practice pages – Group
work
-Real world application
problems
-Classify special systems
Time
15
Lesson Summary
Assessment/
Evaluation
Compare/contrast the
substitution and
elimination method.
Observation of student
work.
How do you classify
special systems of
equations?
Skill based quiz.
How are systems of
equations useful in the
real world?
TOD: solving a real world
system.
Turn in review packet to
substitute
Time
Journal: What do you
need in order to solve
using elimination?
Observation of student
work.
Graded Quizzes
Video/Powerpoint
Practice pages
Quiz
Practice pages
Word Problems PDF
Practice Pages
Standard
Essential Question/
Key Question
Time
Lesson Opener
10
Time
15 20
Materials Needed
Check worksheets for
completion.