Rhonda and Marissa provide snacks

Meet in the Media Center

Final projects due

Extra credit crochet model of the hyperbolic plane due (for me to keep). Go to the website Construction of Hyperbolic Planes and scroll down to 2. How to Crochet the Hyperbolic Plane for directions.

Read Hearing the Shape of a Drum article from NCTCM Centroid. Go through the Activity Sheets on Hearing the Shape of a Drum.

Each person brings money for lunch. Dr. Sarah provides snacks.

We will meet in 203 and 308

Collect hw (see Apr 15 for hw for today) Skim and finish 2D Universes and torus and Klein bottle games. The Shape of Space lab and worksheet. Build an icosahedron and a square and look at zometool activities.

--Lunch from 12-1--

Math Sciences Education Center Tour. Double Bubble Conjecture. Shape of the World Video. Review ideas via excerpts from Davide Cervone's Selected Course Notes. Work on final projects.

Plan on at least 1 hour and 15 minutes from Hickory. You can take 321 North past Lenoir, past Blowing Rock (stay on 321 Bypass instead of turning on 321 Business), and into Boone. Stay on 321, past the Lowes on the right, past the Burger King on the right, past the Wendy's on the left, past the Blockbuster on the left, until just past the Holmes Convocation Center on the left side. Turn left on Rivers street. On Rivers street, pass through 4 signals, and turn left at the 5th signal onto Bodenheimer/Depot. Immediately turn right into the parking lot. See the campus map. Cross Bodenheimer to enter into Walker Hall. Inside Walker Hall, go to the 2nd floor to 203. We will spend time in rooms 203 and 308.

Tracey and Anna provide snacks

Meet in Media Center

Collect hw (see Apr 8 for hw for today). Readings and Activities on Perspective Drawing and Projective Geometry, perspective worksheet, Homer, 2D Universes.

Go through these middle grades Sketchpad or dynamic software activities and write down a number of activities from (at least 3) different web pages that you would be interested in using in your classroom if you had the computers and the software. I want more than just the name of the activity - include a description of the software activities via printing them out or writing your own description. Also find at least 1 web page address and sketchpad activity that are not accessible from the link above by searching yourself.

Keith and Diana provide snacks

Meet in the Art Room

Collect hw (see Mar 25 for hw for today) Review problems 6 through e.c. #2 of Geometry of our Earth by calling on students. E.c. #3. Proof that the sum of the angles of a Euclidean triangle is 180 degrees. Paper Folding At the end of the last class, we proved that the sum of the angles of a spherical triangle is always larger than 180 degrees. Hence the Euclidean proof must fail on a sphere. What goes wrong with the proof in spherical geometry? Introduction to hyperbolic geometry via sketchpad (sum angles of a hyperbolic triangle, pythagorean thm, postulate 5, proposition 31, Playfair's axiom). Continue with history of geometry. Overview of spherical, Euclidean and hyperbolic geometry (non-Euclidean=spherical and hyperbolic). Escher model of hyperbolic geometry. Polygonal tiling models of the sphere, the plane and hyperbolic space. Heptagons, Septagons. Then begin the shape of space via Homer 3D..

Gary and Nicki provide snacks

Review problems 0 through 5 of Geometry of our Earth by calling on students. Intro to Geometer's Sketchpad via Dr. Foley's Geometric Constructions and constructions via the corresponding Euclidean contructions and resulting inductive reasoning. Problem 6 Euclidean version in gsp. Problems 6-10 presentations and and help from Dr. Sarah on questions 6-10 and the extra credit questions (except for last e.c. question). Beachball activity. If time remains that continue with the history of geometry via discussion of Euclid's 5th postulate and Playfair's axiom.

Jill and Jennifer provide snacks

Geometry of the Earth. Initial intuition, web searching, the final presentation, and help from Dr. Sarah. Dicuss the history of Euclid's Elements. Discuss the relationship to North Carolina Middle Grades 6-8 Mathematics Curriculum for Spatial Sense, Measurement, and Geometry (see the syllabus).

Dr. Sarah provides snacks

First half of the class is Dr. McGalliard's final.

Sign up sheet for snacks. What is geometry? Groups of 2 discuss this and then report back to the class. Introduction to the class web pages and WebCT, including bulletin board posting. Introduction to web searches. Search the web to find additional ideas on what geometry is.