Monthly Schedule

(Geometry, Periods E and F)

M 11/1/04

No additional HW due.

That doesn’t mean that you have no homework. It means that you have no additional HW. If you did not finish §4.1 or §4.2, or if you left placeholders or spotty work, I expect you to have everything cleaned up.

 

T 11/2/04

HW due: Read and respect §4.4; write §4.3 #1, 2, 9, 11. Reading notes are not required for §4.3, but they are required for §4.4.

 

W 11/3/04

HW due: §4.4 #12, plus any 3 chosen from #2, 3, 4, and 5. Note that #12 is required for everyone. You may use the abbreviation PBT (for Perpendicular Bisector Theorem) when referring to either of the equidistance theorems. Note that they are converses of each other. If time permits, start reading §4.5 (no notes required yet).

 

Th 11/4/04

HW due: §4.4 #2-5 all, 12. Do all of these properly (including the missing problem from #2-5) if you have not already done so. Also, hand in the PBT Mastery Quiz and skim §4.5 (reading notes are not required yet).

 

F 11/5/04

No school (faculty meetings).

 

M 11/8/04

HW due: Read §§4.5 and 4.6; write §4.5 #1, 2, 4; §4.6 #2, 3, 7-12 all. Remember that ^ lines almost always have opposite reciprocal slopes. (For example, if one of the lines has a slope of 2/5, the other must have a slope of –5/2.) The only exception occurs if one of the lines is vertical; a vertical line has undefined slope, and a horizontal line ^ to it must have slope of 0.

 

T 11/9/04

HW due: Review problems (pp. 206-209) #1, 2, 8, and a selection of other problems you find useful and interesting to help you prepare for the test. As always, a minimum of 35 minutes’ worth of work will be required.

 

W 11/10/04

HW due: Read §5.1; write §5.1 #3, 5, 11, and one creative problem. For your creative problem, think of a theorem of life, and use a proof by contradiction to establish that the theorem is essentially true. Please read some examples of proofs by contradiction.

 

Th 11/11/04

Test on Chapter 4. Proof by contradiction will not be covered. However, symbolic logic (as on the Chapter 3 test) is likely to be covered again.

 

F 11/12/04

HW due: Carefully write out proofs by contradiction to each of the theorems listed below. The second one is easier as a direct proof, but I would like you to do it as an indirect proof for practice anyway. Theorem I is based on the E period version of yesterday’s test, and II is based on the F period version. You may discuss the test with anyone in the world, since everyone has now taken it.

Theorem I: A scalene triangle never has two congruent angles.

Theorem II: If the 3 angles of a triangle have measures x, x, and y, then the triangle is not scalene.

 

M 11/15/04

HW due: Minimal reading notes are required this time (for the top of p. 229 only). Then write §5.2 #11, 13, 16, 18, 20; §5.3 #1, 6-14 even, 30.

Optional Bonus HW (up to 3 pts.): Write up a set of 25 Jeopardy Bingo answers (with associated questions). Most of them should be educational, but some may be a bit off the wall. Remember that everything is posed backwards. For example:

A. It’s Shelby’s favorite all-natural toy.
Q. What is a southern magnolia seed pod?

The best set from each class will be used in our next Jeopardy Bingo competition.

 

T 11/16/04

HW due: Read §5.4 and review your quadrilateral notes from last week. There will be a quiz today on the various types of quadrilaterals. Also, finish up any problems from §§5.2 and 5.3 that you were not able to finish for yesterday.

Although I received one excellent set of Geometry Bingo questions yesterday, I will also accept any submissions that you may wish to make today.

Note: There will also be an equipment check today. Be sure to bring your compass and straightedge, since we will be constructing quadrilaterals.

 

W 11/17/04

Another Quiz on Quadrilaterals: In addition to answering questions of the type you saw yesterday, you will be given two of the following five shapes, chosen randomly. You will need to write step-by-step instructions for each construction and then construct each shape using compass and straightedge.

 

1.   Quadrilateral

2.   Kite

3.   Rhombus

4.   Parallelogram

5.   Trapezoid

 

In class: Learn the remaining constructions (isosceles trapezoid, rectangle, square).

 

Th 11/18/04

Yet Another Quiz on Quadrilaterals: Today you will have several constructions, chosen randomly from a set of all 8:

 

1.   Quadrilateral

2.   Kite

3.   Rhombus

4.   Parallelogram

5.   Trapezoid

6.   Isosceles Trapezoid

7.   Rectangle

8.   Square

 

Again, as yesterday, you will be required to write instructions for one or more.

 

F 11/19/04

HW due: Copy chart of quadrilateral properties from board; write §5.5 #1, 2, 4, 10-12 all, 15, 17, 19, plus your choice of 5, 6, or 7. Although reading §5.5 is recommended, no additional reading notes are required.

In class: Review old HW, including proof by contradiction. Then Jeopardy Bingo, time permitting.

 

M 11/22/04

HW due: Read the family tree of plane figures, plus §5.6; write §5.6 #1-11 all, 16, 20.

 

T 11/23/04

HW due: No additional problems, but make sure you have §5.5 #17 and 19, plus all the assigned problems from §5.6. If everyone has done a respectable job on these, we will arrange to have no HW during the Thanksgiving break.

Second half of class: Excerpt from David Macaulay’s PBS video on skyscrapers. We learned about the Empire State Building, which was completed in 1931, ahead of schedule and under budget, and we were starting to learn about the drama of the Citicorp Center (now called Citigroup Center) when time ran out. This fascinating story was kept hidden from the public for almost 20 years! During the summer of 2004, government authorities increased security when it was learned that Al Qaeda, apparently targeting the building for a future terrorist attack in midtown Manhattan, had been photographing the building. However, if the repairs discussed in the video had not been made, the building would almost certainly have collapsed for reasons having nothing to do with Al Qaeda. Since there would have been no time to evacuate people working in the area, a catastrophe much worse than 9/11 could have occurred.

 

W 11/24/04

No school.

 

Th 11/25/04

No school. Happy Thanksgiving!

 

F 11/26/04

No school.

 

M 11/29/04

Classes resume. No additional HW is due. (However, you might want to use a day of your long 5-day weekend to get caught up on a few old loose ends. Hint, hint.)

 

T 11/30/04

HW due: Read §5.7; write §5.7 #6, 9, 13, 17.

 

 


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Last updated: 30 Nov 2004