# Tom Chandler

Geometry
85 Lessons
Highland High
Ault, CO
Student Environment:
Rural
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## Geometry

(8 Units, 85 Lessons)

#### 1. Welcome to Geometry!

Big Idea: What are we gonna learn this year? A team brain-storming activity helps students grasp the scope of geometry and gets them started sharing their ideas on the very first day.
Standards:
Favorites (48)   Resources (35)   Reflections (1)

#### 2. Preview and Goal-Setting

Big Idea: Students learn what will be expected of them in this course as they are encouraged to persevere in making sense of a pair of novel problems.
Standards:
Favorites (13)   Resources (35)

#### 3. Mystery of the Nazca Lines

Big Idea: How did an ancient culture create drawings so large they can only be seen from the air? By understanding the properties of geometric objects, of course!
Standards:
Favorites (13)   Resources (27)   Reflections (1)

#### 4. Cell Phone Towers

Big Idea: What geo-locations lurk in our hearts? Your cell phone knows! Students analyze the region from which a call was made and discover a property of bisectors.
Standards:
Favorites (15)   Resources (26)

#### 5. Cell Phone 9-1-1

Big Idea: Using circles to represent information about the position of an object. I know where your cell phone is located!
Standards:
Favorites (7)   Resources (32)   Reflections (3)

#### 6. Submarine Smart Phone

Big Idea: Using lines to represent information about the position of an object. I know where your cell phone fell into the water!
Standards:
Favorites (8)   Resources (26)   Reflections (1)

#### 7. Reviewing Geometric Models

Big Idea: We have applied the properties of these objects in modeling situations. Now, what have we learned by "doing geometry"?
Standards:
Favorites (8)   Resources (27)   Reflections (1)

#### 8. Introduction to Constructions

Big Idea: Students learn correct technique with straight-edge and compass... and learn that these tools can do more than they thought!
Standards:
Favorites (11)   Resources (29)

#### 9. Going Halvesies

Big Idea: What are the properties of a bisector? Students see for themselves--and find that a compass is an efficient instrument for comparing distances.
Standards:
Favorites (4)   Resources (27)

#### 10. Inventory Testing

Big Idea: Assessments are a part of schooling. Let's plan an inventory test early so that we can see where students are and guide them to get extra help if needed.
Favorites (3)   Resources (18)   Reflections (1)

#### 11. Flexing Our Bisectors

Big Idea: What are the properties of a bisector? Students see for themselves--and learn the advantages of dynamic geometry software.
Standards:
Favorites (2)   Resources (18)   Reflections (1)

#### 12. Finding Your Center

Big Idea: If we know two points where a Wi-Fi signal has the same strength, can we find the hotspot? Not yet, but we can model the possible locations.
Standards:
Favorites (9)   Resources (24)   Reflections (1)

#### 13. Reviewing Constructions

Big Idea: Students review homework and complete their learning portfolios for the unit. How much have we learned?
Standards:
Favorites (2)   Resources (21)

#### 14. Models & Constructions Unit Quiz

Big Idea: Students show what they have learned: from vocabulary and basic skills to an application in an unfamiliar context.
Standards:
Favorites (3)   Resources (31)   Reflections (4)
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