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Transcript
```Trousdale County Schools Focused Lesson Plan 2015-16
Teacher: Humes
Unit Name: Geometric Proof
Unit #: 5
Unit Length: 3 weeks
Week: 1/5 – 1/8
Week 1 of 3
Subject: Core Math II
Tennessee State Standard(s) to be taught: (Write the entire standard)

G-CO.9 – Prove theorems about lines and angles. Theorems include: vertical angles are congruent; when a transversal
crosses parallel lines, alternate interior angles are congruent and corresponding angles are congruent; points on a
perpendicular bisector of a line segment are exactly those equidistant from the segment’s endpoints.

G-CO.10 – Prove theorems about triangles. Theorems include: measures of interior angles of a triangle sum to 180°; base
angles of isosceles triangles are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third
side and half the length; the medians of a triangle meet at a point.

G.SRT.5 – Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric
figures,
I Can Statements :

I can identify and define vertical angles, linear pairs, adjacent angles, complementary angles, and supplementary angles.

I can identify angle pairs formed by a transversal crossing parallel lines.

I can find the measures of angles by using theorems about lines and angles.

I can prove that two lines are parallel by using theorems about angles and parallel lines.
Accommodations for students, both regular and special populations :

Extra practice time may be given using InteractMath technology online.

One-on-one and/or peer tutoring.

Re-take quizzes on which students perform poorly.
Unit Vocabulary: vertical angles, adjacent angles, complementary angles, supplementary angles, linear pair, parallel lines,
transversal, alternate interior/exterior angles, corresponding angles, same-side interior/exterior angles, vertical angles theorem,
triangle-angle sum theorem, proof, polygon-angle sum theorem, isosceles triangle, equilateral triangle, vertex angle, base angles,
legs of an isosceles triangle, congruent angles, perpendicular lines, equiangular triangle, triangle inequality theorem, angle-side
relationship
Resources, Technology, Formative and/or Summative
Daily Agenda
Assessments, Assignments, and a Daily Activity for citing
text based evidence in conversations and/or writing
Monday

No School – PD Day
Tuesday

Define Angles and Angle Pairs

Find Measures of Angle Pairs

Notes over Parallel Lines/Transversal

Practice Problems (HW)
Resources: Integrated Math II Text, Practice Problems
Technology: TI nSpires, MOBI
Assessment: observation/questioning during student work
Assignments: Angle Pairs and Parallel Lines HW
1
Wednesday


Go over HW

Continue Practice Problems with Angles formed by
Parallel Lines and Transversals

Begin Proofs (HW – 3 proofs)
Thursday

Bell-ringer: Literal Equations/Geometry

Go over HW

Continue Practice with Proofs and Angles (HW/Prep for
Quiz)
Friday


Go over HW

Quiz - Lines and Angles
Resources: Integrated Math II Text, Practice Problems
Technology: TI nSpires, MOBI
Assessment: homework, observation/questioning during student
work
Assignments: HW – 3 Proofs
Resources: Integrated Math II Text, Practice Problems
Technology: TI nSpires, MOBI
Assessment: homework, observation/questioning during student
work
Assignments: Proofs and Angles HW
Resources: Integrated Math II Text, Practice Problems, Quiz
Technology: TI nSpires, MOBI
Assessment: Quiz, homework, observation/questioning during
student work
Assignments:
2
```
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