# Week 4: September 5th – 8th

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Teacher Felicia Taylor Geometry Honors 8 4 1 / Definitions, Segments and Angle Pairs
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.
• apply theorems, postulates, (including angle addition) or definitions to prove theorems about lines and angles.
Classroom Activities

Monday (Holiday) / Tuesday (7th and 8th Period Geometry)

Review Midpoint and Distance in the Coordinate Plane.

Review Partitioning a Line Segment.

1. Division of a Line

Homework:

On www.mathnation.com in the Geometry tab, please watch the following videos and complete the Study Guide for each topic:

1. Section 1: Topic 6:  Partitioning a Line Segment – Part 2
2. Section 1: Topic 7:  Parallel and Perpendicular Lines – Part 1
3. Section 1, Topic 8: Parallel and Perpendicular Lines – Part 2 (7th & 8th Periods only)
4. Section 3, Topic 1: Introduction to Angles – Part 1 (7th & 8th Periods only)

Wednesday (2nd Period – Early Release Day)

Review Partitioning a Line Segment.

Review Parallel and Perpendicular Lines.

1. Parallel Lines 1
2. Parallel Lines 2
3. Perpendicular Lines

Homework:

On www.mathnation.com in the Geometry tab, please watch the following videos and complete the Study Guide for each topic:

1. Section 1, Topic 8: Parallel and Perpendicular Lines – Part 2
2. Section 3, Topic 1: Introduction to Angles – Part 1

Thursday (2nd Period Geometry) / Friday (No School)

Review Parallel and Perpendicular Lines.

Review Angles.

1. Name the Angles (2nd Period only)

Homework:

On www.mathnation.com in the Geometry tab, please watch the following videos and complete the Study Guide for each topic:

1. Section 3, Topic 2: Introduction to Angles – Part 2
2. Section 3, Topic 3:  Angle Pairs – Part 1
Assignments Due

Summative

None.

Formative

Students have a chance to earn the following grades this week.

• MathSpace – the following tasks are due:
1. Parallel Lines 1 – due Wednesday, September 6th (2nd Period)
2. Parallel Lines 2 – due Wednesday, September 6th (2nd Period only)
3. Perpendicular Lines – due Wednesday, September 6th (2nd Period only)
4. Name the Angles – due Thursday, September 7th (2nd Period)
• Geometry Nation Study Guides
1. Section 1, Topic 3: Midpoint and Distance in the Coordinate Plane – Part 1 – due Tuesday, September 5th (7th & 8th Periods)
2. Section 1, Topic 5:  Partitioning of a Line Segment – Part 1 – due Tuesday, September 5th (7th & 8th Periods)
3. Section 1, Topic 6:  Partitioning of a Line Segment – Part 2 – due Wednesday, September 6th (2nd Period)
4. Section 1, Topic 7: Parallel and Perpendicular Lines – Part 1 – due Wednesday, September 6th
5. Section 1, Topic 8: Parallel and Perpendicular Lines – Part 2 – due Thursday, September 7th (2nd Period)
6. Section 3, Topic 1: Introduction to Angles – Part 1 – due Thursday, September 7th (2nd Period)