Assignments

Geometry --- Math 230

Instructor: Carol S. Schumacher

Fall, 2012

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Date 

Topic 

Reading Assignment 

Homework Problems
Thursday, Aug. 30 Course Procedures and Policies
Playing with models
  **

Tuesday, Sept. 4

A Brief Historical Perspective: Euclid and his Elements.

Chapter 1 of Venema
Group reading assignment

Short Powerpoint presentation on group reading assignment. A prepared presentation of some matheamtics from the group reading assignment.
Thursday, Sept. 6 Incidence Geometry Chapter 2 of Venema (You may skim 2.1 and 2.5.) Class problems: Exercises 1, 3, 4, 5, 8 and your choice of 2 or 6 at the end of Section 2.6.
Tuesday, Sept. 11 Existence and Incidence Axioms
Distance and the Ruler Postulate
Sections 3.1 and 3.2. Class problems: Exercises Section 3.2; 17, 18, 19 and problem assigned individually.
Notebook problems: Section 3.2; 1, 5, 7, 12. (Think about what #12 is talking about!)
Thursday, Sept. 13 Plane Separation Section 3.3

Class Problems: Exercises 3.3; 3 and 5. Proofs of Thms 3.3.9, 3.3.10, and 3.3.12.
Notebook Problem: Section 3.3; 1, 2.

Tuesday. Sept. 18 Introduction to Geometer's Sketchpad
Finish with Plane Separation
Begin work on the Protractor Postulate
Section 3.4

Presentation of book proofs, as assigned. (See detailed assignments and instructions in the email!)

Class Problem: Exercises 3.4; 1

Thursday, Sept. 20

Finish with the Protractor Postulate
Crossbar and the Linear Pair Theorem

Section 3.5 through the Vertical Angles Theorem (3.5.13) Presentation of book proofs, as assigned.
Notebook Problems from 3.2 and 3.3 due.
Tuesday, Sept. 25

Crossbar and the Linear Pair Theorem, (cont.)

Section 3.5 through Theorem 3.5.13 ---AGAIN!!! Class Problems: Exercises 3.5: 2, 3, 5
Notebook Problems: Exercises 3.5: 1, 4, 6.
Thursday, Sept. 27

Finish any remaining parts of 3.5
The Side-Angle-Side Postulate

Sections 3.6 and 3.7 Come with Questions from the readings (and on notebook problems!)
Tuesday, Oct. 2 Exterior Angle Theorem
Triangle Congruence
Sections 4.1 and 4.2

Notebook Problems from 3.5 due.
Class Problems:Exercises 4.2; 1, 2, 5 (existence).
Notebook Problems: Exercise 4.1; 1. Exercises 4.2; 4, 5 (uniqueness!).

Thursday, Oct. 4 Three Inequalities for Triangles Section 4.3; pgs 77-79 Class Problems: Exercises 4.3; 1, 6, 7
Notebook Problems: Exercises 4.3; 2, 3, 4.
Tuesday, Oct. 9 Quiz # 1---Proofs of Thms 4.1.2 & 4.1.3.
Angle and Perpendicular Bisectors
Rest of Section 4.3 Class Problems: Exercises 4.3; 8, 9. |
Thursday, Oct. 11

No Class---October Reading Days

Tuesday, Oct. 16 Alternate interior angles; existence of parallels Section 4.4 Class problems: Exercises 4.4; 1, 2, 3. Carefully read through the Alternate Interior Angles Proof and corollary on existence of parallels.
Notebook Problems from 4.1, 4.2, and 4.3 due.
Thursday, Oct. 18

Sneaking up on non-Euclidean geometry:
Saccheri-Legendre Theorem.

Takehome Midterm Distributed

Section 4.5 Class problems: Exercises 4.5; 1, 2.
Tuesday, Oct. 23
In-Class Midterm
(Takehome Midterm Due at the beginning of the hour)
Thursday, Oct. 25
Introducing quadrilaterals
Section 4.6 Class problems: Exercises 4.6; 1, 2, and 5.
Notebook Problems: Exercises 4.6; 4, 7, & 10.
Tuesday, Oct. 30 Equivalences to the Parallel Postulate Section 4.7 Class Problems: Exercises 4.7; 1, 2, 6 and "expert" presentations.
Notebook Problems: Exercises 4.7; 3, 4, 5.
Thursday, Nov. 1
Same as the assignment for Tuesday
Tuesday, Nov. 6 (Crazy) Class Project, as implicitly promised.   Notebook Problems from 4.6 and 4.7 due.
Thursday, Nov. 8 Rectangles and Defect. Section 4.8 (read through page 101 carefully for content. Work on Lambert and Saccheri Quads.) Class problems: Exercises 4.8; 5, 8. Notebook problems: Exercises 4.8; 6. 7, 9, 10.
Tuesday, Nov. 13 Basic theorems of Euclidean geometry and the Parallel Projection Theorem. Sections 5.1 and 5.2

Class problem: Exercises 5.1; 2
Notebook Problems: Exercises 5.1; 3, 6, 7, 8 and 5.3; 2.

Thursday, Nov. 15 Exploring the Euclidean Geometry of the Triangle (w/ Geometer's Sketchpad)   Work in class on exploratory exercises.

Thanksgiving Break 

Tuesday, Nov. 27 Class Presentations on Triangle Exploration.   Class Problems from Exploratory exercises.
Thursday, Nov. 29 Basic Theorems of Hyperbolic Geometry. Introducing Parallels. Sections 6.1 and 6.2 Class Problems: Section 6.1; 2,3; Section 6.2; 1.
Notebook Problems:
Section 6.1; 1, 6ab. Section 6.2; 2, 3.
Notebook Problems from 4.8, 5.1, 5.3 and Median Concurrence Theorem due.

 

Tuesday, Dec. 4 The Angle of Parallelism
Introducing Asymptotic Parallel Rays
Section 6.3 and Section 6.4 through the bottom of page 146. Notebook Problem: Section 6.4; 1
Thursday, Dec. 6 Existence of Asymptotic Parallel Rays
Discussion of Asymptotic Triangles
Read Rest of Section 6.4 and Section 6.5 Presentation of book proofs, as assigned. (See detailed assignments and instructions in the email!)
Tuesday, Dec. 11 Classifying Parallels Section 6.6 Presentation of books proofs, as assigned.
Class Problem: Section 6.6; 1.
Notebook Problem: Section 6.6; 2.
Thursday, Dec, 13 Properties of the Critical Function and Basic Facts about Triangle Defect
Takehome Final Distributed!
Section 6.7 and Section 6.8 through the bottom of Page 162. More presentation of book proofs, as assigned.
Class Problems: Section 6.7; 1, 4.
Notebook Problems from 6.1, 6.2, 6.4 and 6.6 due.

Final Examination

In-Class Exam---Tuesday, December 18, 2011 from 9:30 to 11:30 a.m
Takehome exam---due by 5 p.m on Tuesday, December 18.