Download 8th Grade LA:

Math 8 Periods 5 & 6
December 7 - 11
Objectives: The students will
 improve fluency and accuracy of basic calculations
 know that corresponding angles, alternate interior angles, and alternate exterior angles of parallel lines
are equal. Students know that when these pairs of angles are equal, then lines are parallel.
 present informal arguments to draw conclusions about angles formed when parallel lines are cut by a
transversal.
 use angle measurements to classify pairs of angles
 know the Angle Sum Theorem for triangles; the sum of the interior angles of a triangle is always 180
degrees.
Module 2: The Concept of Congruency
Geometry (G)
Understand congruence and similarity using physical models, transparencies, or geometry software.
Enduring Understandings
Students learn the basic assumptions that are made about the basic rigid motions that will serve as the basis of all
geometric investigations.
Focus Standards:
8.G.A.2
Understand that a two-dimensional figure is congruent to another if the second can be obtained from the first by a sequence of
rotations, reflections, and translations; given two congruent figures, describe a sequence that exhibits the congruence between
them.
8.G.A.5
Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when
parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles. For example, arrange three copies of
the same triangle so that the sum of the three angles appears to form a line, and give an argument in terms of transversals why this
is so.
Mathematical Practices
 MP2 Reason abstractly and quantitatively
 MP3 Construct viable arguments and critique the reasoning of others
 MP5 Use appropriate tools strategically
 MP6 Attend to precision
Class Work
Monday
December 7
1. Fill in agenda
2. Mod 2, Lesson 12, “Angles Associated with Parallel Lines,”
Problem Set/Exit Ticket
Tuesday
December 8
1. 6-1, “Line and Angle Relationships,”
 6-1 Noteables
 Vocabulary
 6-1 Study Guide & Intervention
Homework
Complete Lesson 12 PS/ET, p.
65-66
6-1 SGI/Skills Practice
Wednesday
December 9
1. Read and Do Math
2. Parallel Lines & Transversals “Quiz”
Thursday
December 10
1. Sprint
2. Mod. 2, Lesson 13, “Angle Sum of a Triangle”
Friday
December 11
1. Continue Lesson 13
Complete “Quiz”
Lesson 13--TBA
Early Release
Staff Development