Week 4: Geometry

GEOMETRY CHAPTER 1 TEST - THIS FRIDAY! 9/14/12

Hello and welcome to the blog site for Geometry with Ms. Liefland at Harper. Check here for homework updates, class announcements, and test/reference information. Also feel free to leave any comments for me and your classmates to respond to.

Hope everyone had a good weekend. Parents - also feel free to check the blog for information about your child's Geometry class.

Ms. Liefland

Monday 1.2.5
Classwork 1-87 through 1-90
Handout (HELPFUL): http://www.cpm.org/pdfs/stuRes/GC/chapter_01/GC_1.2.5.pdf
Homework: Review Methods & Meanings "Parallel and Perpendicular Slopes" and do 1-93 and 1-95

In the Chapter 1 "Closure" section in the textbook, part 2 ("Making Connections") offers a list of vocabulary that is essential to know in Chapter 1. In addition to this list, we have added: perpendicular bisector, isosceles triangle, angle bisector, line/line segment/ray, central angle, interior angle, equilateral, and we know two formulas:

- The sum of all the interior angles in a triangle is 180. (This means the three angles in a triangle add up to 180. They are not necessarily 60-60-60, though, unless the triangle is an equilateral triangle.)
- The measure of a central angle (think of spokes on a wheel - the central angle is the degree between the spokes coming from the center to two adjacent vertices) can be multiplied by the # of sides to equal 360. We can only use this formula with regular polygons. (Central Angle)x(# of sides)=360
This makes sense to us visually because all of the central angles together form a full circle, which measures 360!

Remember our grouping of these terms:
Types of Transformations
Rotations
Reflections
Translations

Tuesday 1.3.1
Classwork: 1-97 and 1-98 (3 Venn Diagrams)
HW Tuesday night: 1-101 and 1-102

Wednesday 1.3.2
Classwork: 1-104 through 1-109 (independently)
Handout: http://www.cpm.org/pdfs/stuRes/GC/chapter_01/GC_1.3.2A.pdf
Homework: 1-110, 1-111, 1-112, 1-114
BONUS Assignment: All Closure Problems CL 1-126 through CL 1-134

Thursday 1.3.3 and Chapter Review
Monty Hall Blog: http://dilbertblog.typepad.com/the_dilbert_blog/2008/04/monte-hall-prob.html
http://youtu.be/Zr_xWfThjJ0

Friday Chapter Test
Classwork After Test: 2-2 through 2-6


TOOLKIT ANSWER KEY:

TOPICS ON CHAPTER 1 TEST
Transformations (Reflection, Rotation, Translation)
Symmetry (Reflection symmetry and Rotation symmetry [with specific degree measurement of rotation for rotation symmetry - i.e. 90 for a square or any multiple of 90, because this makes the shape look the same.])
Vocabulary (see Chapter 1 "Closure" for vocab list)
Naming Shapes and knowing the marks for congruence (sides & angles) and parallel sides
Probability
Logical statements