Q1, W4: September 7-10 Geometry

TeacherKristin Andreason
Subject AreaGeometry Honors
Grade Level8
Week #September 7-10
Unit of InstructionUnit One: Definitions, Segment and Angle Pair Relationships
Standard(s) Taught

MAFS.912.G-CO.1.1:  Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc.

MAFS.912.G-CO.3.9:  Prove theorems about lines and angles; use theorems about lines and angles to solve problems. (Theorems include: vertical angles are congruent; when a transversal crosses parallel lines, alternate interior angles are congruent and corresponding angles are congruent; points on a perpendicular bisector of a line segment are exactly those equidistant from the segment’s endpoints.)

Learning Targets and Learning Criteria
  • identify the undefined notions used in geometry (point, line, plane, distance) and describe their characteristics
  • identify angles, perpendicular lines, parallel lines, rays, and line segments.
  • define angles, perpendicular lines, parallel lines, rays, and line segments precisely using the undefined terms and “if-then” (conditional) and “if-and-only-if” (bi-conditional) statements.
  • identify and use the properties of congruence and equality (reflexive, symmetric, transitive) in proofs.
  • interpret geometric diagrams and identifying what can and cannot be assumed.
  • apply theorems, postulates, (including angle addition) or definitions to prove theorems about lines and angles.
  • define complementary and supplementary angles.
  • recall special angles formed when a transversal crosses parallel lines and use their relationships to solve problems.
Classroom Activities


  1. 5th period will play Angle Measures Bingo to practice finding angle measures


  1. Students will finish the Parallel Lines and Transversal Puzzle
  2. If time, students will play Quizlet Live to review Unit 1 Vocabulary


  1. Students will do the Plickers on Unit 1 Vocabulary
  2. Students will take a test on Unit 1 Vocabulary
  3. Students will finish the Parallel Lines Cut by a Transversal Puzzle
Assignments Due
  • Parallel Lines Cut By Transversal Puzzle
  • Unit 1 Vocabulary Test
Additional Resources


All IEP and ESOL accommodations will be provided daily.