RHS Weekly Lesson Plan Template –Coordinate Algebra
Dates
Oct 27
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.
Oct 28 (SUB)
Tuesday
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 29
Wednesday
MCC9‐12.A.REI.12 Graph
the solutions to a linear
inequality in two
variables as a half‐plane
and graph the solution
set to a system of linear
inequalities in two
variables as the
intersection of the
corresponding
half‐planes.
How do I graph a system
of linear inequalities in
two variables?
Oct 30
Thursday
MCC9‐12.A.REI.12 Graph
the solutions to a linear
inequality in two
variables as a half‐plane
and graph the solution
set to a system of linear
inequalities in two
variables as the
intersection of the
corresponding
half‐planes.
How do I graph a system
of linear inequalities in
two variables?
Oct 31
Friday
MCC9‐12.A.REI.12 Graph
the solutions to a linear
inequality in two
variables as a half‐plane
and graph the solution
set to a system of linear
inequalities in two
variables as the
intersection of the
corresponding
half‐planes.
How do I graph a system
of linear inequalities in
two variables?
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
any method.
How can I use a system
of equations to model
and solve real word
scenarios?
Warm-up:
Classify the special
system of equations.
Warm-up:
System of equations
word problem.
Warm-up:
Classify the special
systems.
Solve the linear
inequality.
Procedures/Strateg
ies
-Review methods for
solving systems
-Special systems notes
-Classify systems of
equations
-Go over HW
-Application Problem –
Notes
- Practice pages – Group
work
-Go over HW
-Systems of InequalitiesNotes
- Practice pages –
Partners
-Go over HW
-Systems of Inequalities:
-- Group work practice
pages
-Systems of inequalities:
group posters
-Quiz
Time
15
Lesson Summary
Name 3 scenarios where
a system of equations
could be used.
Observation of student
work.
How do you graph an
inequality?
Assessment/
Evaluation
How do you classify
special systems of
equations?
Observation of student
work.
How is the solution to an
inequality different from
an equation system?
TOD: solving a real world
system.
How do I graph a system
of linear inequalities in
two variables?
Quiz – Solving systems of
inequalities.
Time
Materials Needed
Powerpoint
Practice pages
PowerPoint
Practice pages
Practice pages
Practice Pages
Standard
Essential Question/
Key Question
Time
Lesson Opener
10
Time
15 20
Observation of student
work.
RHS Weekly Lesson Plan Template –Coordinate Algebra