na

1. MATH 143 – Modern Geometry Content Schedule Thompson
This is a tentative schedule of course content and exams. Specific dates of homework,
assignments, and exams can be found on the Course Calendar, and weekly Learning Module,
both found on our course BlackBoard site.
Content Recommended textbook problems
Week1–Week4
Chapter 2
 2.1 Identifying 2D shapes
 2.2 Definitions for Triangles and Quadrilaterals
 2.3 Polygons
 Angle Measure in a Polygon (formula)
 Vertex Angle Measure in a Regular
Polygon (formula)
 2.4 Identifying 3D shapes
 What are they?
 What are their face shapes and how
many faces does each have?
 2.5 Dimensional Analysis
 Converting rates
 Converting areas and volumes
Chapter 3
 3.1, 3.2 Perimeters, Circumference, and Areas
 3.3 Pythagorean Theorem
 3.4, 3.5 Surface Area & Volume
2.1 - 8, 9-19 odd, 23 ab, 25 ab, 27ab, 41
2.2 - 1, 3, 7, 11, 13, 15, 17, 21, 27, 33, 35
2.3 - 5, 7, 9, 11, 13, 15, 17, 23, 27, 29, 31
2.4 - 1, 3, 7, 9, 13, 23, 33, 39, 41
2.5 - 5, 7, 9, 15, 17, 19, 25, 27
3.1 - 9 12 all, 15, , 25, 27, 31, 41, 43, 49
3.2 - 1, 3, 7, 9, 13, 15, 17, 21, 25, 29, 31
3.3 - 1, 3, 9, 11, 13, 25, 33, 37, 39, 47, 49
3.4 - 1, 3, 5, 7, 13, 17, 19, 27, 35, 37, 41
3.5 - 3, 5, 7, 11, 13, 15, 17, 21, 23, 29, 31
≈ 2/5 Exam 1 2.1 – 2.5, 3.1 – 3.5
Week5–Week8
Chapter 4
 4.1 Logic
 4.2 Congruent Triangle Proofs
o What ways can we demonstrate that triangles
are congruent?
o What if they are right triangles?
o What ways do NOT work?
o Once we demonstrate that triangles are
congruent, what can we do to match parts?
 4.3 Isosceles & Equilateral triangles
 4.4 Bisector—both angle and segment
 4.4 Perpendicular
Chapter 5
 5.1 Indirect Reasoning
o How are the proofs different than direct
reasoning?
 5.2 Parallel lines cut by a transversal
 5.2 Angle Sum in a Triangle (proof)
 5.3 AAS Congruence Theorem
 5.4 More on Quadrilaterals
4.1 - 1- 17 odd, 23, 25, 33, 35, 39, 41, 45
4.2 - 1-11 odd, 15, 19, 33, 35, 37, 41, 44
4.3 - 1, 5, 9, 11, 19, 21
4.4 - In Class Worksheet
5.1 - 1-10 all, 19-22 all, 23-28 all, 31, 41
5.2 - 1-12 all, 25, 31
5.3 - In Class Worksheet
5.4 - In Class Worksheet
≈ 3/5 Exam 2 4.1 – 4.4, 5.1 – 5.4

2. Week9–Week12 Chapter 6
 6.1 Rates/Ratios/Proportions
 6.2 Similar Triangles
o What ways can we demonstrate that triangles
are similar?
 6.3 Mean Proportion in a Right Triangle
o Name three pairs of similar triangles when
the altitude to the hypotenuse is present.
 6.3 Side Splitting Theorem
 Midsegment Theorem
 6.5 Trigonometry (right angle ratios)
o When do you use these?
o Law of Sines
o Law of Cosines
6.1 - 3, 4, 5, 19, 20, 21, 25
6.2 - 1-12 odd, 17, 21, 23, 29, 30, 31, 35
6.3 - 3, 5, 7, 9, 11, 13, 15, 19, 23, 27, 31
6.4 - 7, 11, 13, 17, 19, 25, 27, 33, 35, 41
6.5 - 17, 23, 25, 27, 29, 33, 35, 37, 45, 47
≈ 4/2 Exam 3 6.1 – 6.5
Week13–Week15
Chapter 7
 7.1 Central Angles
o Measure of an arc
o Length of an arc (proportion of angle
measures and circumferences)
o Area of a Sector (proportion of angle
measures and area)
 7.1 Inscribed Angles
o Semicircles
 7.2 Chords
 7.3 Secant and Tangent Lines
 7.4 Centers of Circles
7.1 - 1-4 all, 15, 17, 23-30, 39, 46, 48, 56
7.2 - 1, 3, 5, 11, 17, 41, 43
7.3 - 1, 3, 7, 9, 11, 13, 15, 19, 21, 23, 31
7.4 – In Class Worksheet
≈ 4/28 Exam 4 7.1 – 7.4
Week16
Final Exam
All students are required to take the Final Exam.
Covers all material from the course