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Windsor High School
Geometry A
Teacher: Chris Jones
Month
August
2008
Content/Resource
ELEMENTS
A. Basic Elements: Points, Lines, Planes
Suggested Resources:
--Holt Geometry Book Chapter 1
Skills
A. Label and sketch points, line, planes and
their intersections
A. Find distance and midpoint using
formulas
A. Define in writing 3 geometric terms
A. Identify in writing in writing angle
relationships (vertical, adjacent,
supplementary, complimentary, linear
pairs.)
A. Measure angles using protractor
A. Recognize visually and in writing
transformations in coordinate plane
Assessment
A.1 Geometry basics define; point, line,
plane, ray, and angle. (Visual, Vocab
WKST)
A.2 Line segment properties, endpoints,
distance, and, midpoint. (Visual Vocab
WKST.)
A.3 Angle relationships worksheet,
adjacent, vertical, straight, linear pair,
supplementary and complementary angles.
(Visual Vocab WKST.)
Activities/Strategies
A.1"Charades Game: Point, Line, Plane,
Angle, Midpoint, Endpoint / Acute /
Obtuse / Vertical / Right / Straight /
Supplementary / Complementary / Linear
Pair (Angles), / Segment Distance / Ray /
Opposite Ray / Vertex / Hypotenuse / Legs.
A.2 Pictionary Game :Point, Line, Plane,
Angle, Midpoint, Endpoint / Acute /
Obtuse / Vertical / Right / Straight /
Supplementary / Complementary / Linear
Pair (Angles), / Segment Distance / Ray /
Opposite Ray / Vertex / Hypotenuse / Legs.
A.4 Angle properties, acute, obtuse,
straight, right, vertex, rays (opposite),
A. Quiz #1 on A.1 - A.4.
A. Unit One Test
REASONING
B. Logical Reasoning: Inductive,
Deductive
Suggested Resources:
--Holt Geometry Book - Chapter 2
--"If you give a Mouse a Cookie" books
B. Complete in writing patterns using
inductive reasoning
B. Write conditional statements and their
converse, inverse, contrapositive
B. Determine in writing word probelms
constitute deductive or inductive reasoning
B. Determine in writing truth value of
disjunctions and conjunctions
B. Identify in writing Law of
Detachment, Law of Syllogism
B. Identify in writing Algebraic Properties
(review: associative, communtive,
distributive, identity, inverse, substitution;
introduce: reflexive, symmetric, transitive)
B. Write bi-conditional statements
B. Complete flow and t-chart proofs with
B.1 Conditional Statements Quiz/WKST.
B.2 Writing Conditional, Converse,
Inverse,
and Contrapositive, Quiz/WKST.
B.3 Determining Detachment or Syllogism,
Inductive or Deductive, Re-write
Biconditional to Converse and Conditional.
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Geometry A
Jones
Month
Content/Resource
Windsor High School
Skills
Assessment
Activities/Strategies
appropriate postulates and theorems
LINES/ANGLES
C. Lines/Angles: Relationships Between
Parallel Lines/ Angles and
Perpendicular Lines/Angles
Suggested Resources:
--Holt Geometry Book - Chapter 3
TRIANGLES
D. Congruence: Use Of/Prove
Congruency
Suggested Resources:
--Holt Geometry Book - Chapter 4
--Worksheets 4.4-4.6
E. Segments/Inequalities: Construction
Suggested Resources:
--Holt Geometry Book - Chapter 5, sect. 16
--Cabri jr. Calculator Program
--Geometer's Sketchpad
C. Identify in writing angle pairs formed by
2 lines and a transversal
C. Prove and use theorems about angles
formed by parallel lines and transversals
C. Prove 2 lines are parallel using angles
formed by a transversal
C. Prove theorems about perpendicular
lines
C. Apply perpendicular lines theorems to
solve algebraic equations
D. Classify in writing triangles by sides
and angles
D. Calculate angle measures using triangle
relationships
D. Identify in writing corresponding parts
of congruent triangles
D. Identify in writing triangle congruence
relationships by using the triangle
congruence theorems
D. Prove triangles congruent in formal and
flow proof form
D. Continue formal proofs including
Corresponding Parts of Congruent
Triangles are Congruent (CPCTC)
others???
D. Identify in writing parts of isosceles and
equilateral triangles
D. Apply in writing isosceles triangle
theorems to solve algebraic equations
E. Construct an altitude, median,
perpendicular bisector, angle bisector in a
triangle
E. Construct electronically an orthocenter,
centroid, incenter, circumcenter in a
triangle
E. Identify in writing 4 centers of a triangle
using 4 vocabulary terms
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Geometry A
Jones
Month
Content/Resource
F. Similarity: Properties/Proofs
Suggested Resources:
--Holt Geometry Book - Chapter 7
Windsor High School
Skills
Assessment
Activities/Strategies
E. Apply in writing midsegment theorem to
solve algebraic equations
E. Apply in writing inequality relationships
in triangles to real life situations
F. Solve ratio and proportion problems
F. Identify in writing similar polygons
F. Solve similar polygons using
proportions
F. Prove triangles similar using similar
triangle theorems
F. Apply in writing properties of similar
triangles and proportional relationships to
real world situations
F. Dilate triangles on the coordinate plane
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