HSG-MG.A.1

Use geometric shapes, their measures, and their properties to describe objects (e.g., modeling a tree trunk or a human torso as a cylinder).*

 
20 Lesson(s)
   

Welcome to Geometry!

Geometry » Unit: Models and Constructions
Geometry » Unit: Models and Constructions
Tom Chandler
Ault, CO
Environment: Rural
 
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.

 
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Resources (35)
 
Reflections (1)
what is geometry
   

Models & Constructions Unit Quiz

Geometry » Unit: Models and Constructions
Geometry » Unit: Models and Constructions
Tom Chandler
Ault, CO
Environment: Rural
 
Big Idea:

Students show what they have learned: from vocabulary and basic skills to an application in an unfamiliar context.

 
Favorites (3)
 
Resources (31)
 
Reflections (4)
quotation poincare
   

Preview and Goal-Setting

Geometry » Unit: Models and Constructions
Geometry » Unit: Models and Constructions
Tom Chandler
Ault, CO
Environment: Rural
 
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.

 
Favorites (10)
 
Resources (35)
mc preview and goalsetting
   

Reviewing Geometric Models

Geometry » Unit: Models and Constructions
Geometry » Unit: Models and Constructions
Tom Chandler
Ault, CO
Environment: Rural
 
Big Idea:

We have applied the properties of these objects in modeling situations. Now, what have we learned by "doing geometry"?

 
Favorites (7)
 
Resources (27)
 
Reflections (1)
reviewinggeometricmodels image
   

Finding Your Center

Geometry » Unit: Models and Constructions
Geometry » Unit: Models and Constructions
Tom Chandler
Ault, CO
Environment: Rural
 
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.

 
Favorites (7)
 
Resources (24)
 
Reflections (1)
findingyourcenter image
   

Submarine Smart Phone

Geometry » Unit: Models and Constructions
Geometry » Unit: Models and Constructions
Tom Chandler
Ault, CO
Environment: Rural
 
Big Idea:

Using lines to represent information about the position of an object. I know where your cell phone fell into the water!

 
Favorites (7)
 
Resources (26)
 
Reflections (1)
submarine smart phone
   

Diagonal Daze

Geometry » Unit: Dimension and Structure
Geometry » Unit: Dimension and Structure
Tom Chandler
Ault, CO
Environment: Rural
 
Big Idea:

Students analyze the structure of polygons and learn how this structure can be used to represent a real-world phenomenon. Will Facebook make our brains grow larger?

 
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Resources (33)
 
Reflections (4)
diagonaldaze image
   

Cell Phone 9-1-1

Geometry » Unit: Models and Constructions
Geometry » Unit: Models and Constructions
Tom Chandler
Ault, CO
Environment: Rural
 
Big Idea:

Using circles to represent information about the position of an object. I know where your cell phone is located!

 
Favorites (4)
 
Resources (32)
 
Reflections (3)
cell phone 911 image resized
   

Reviewing Intersections

Geometry » Unit: Dimension and Structure
Geometry » Unit: Dimension and Structure
Tom Chandler
Ault, CO
Environment: Rural
 
Big Idea:

Students review homework and complete their learning portfolios for the unit. How much have we learned?

 
Favorites (1)
 
Resources (26)
 
Reflections (2)
reviewingconstructions image
   

Reviewing Structure

Geometry » Unit: Dimension and Structure
Geometry » Unit: Dimension and Structure
Tom Chandler
Ault, CO
Environment: Rural
 
Big Idea:

Students review homework and assess their progress. How much have we learned?

 
Favorites (1)
 
Resources (25)
 
Reflections (1)
reviewingconstructions image
   

Dig In! Day 1

Geometry » Unit: Tools of Geometry
Geometry » Unit: Tools of Geometry
Beth Menzie
Amsterdam, NY
Environment: Urban
 
Big Idea:

Want to find out how many unique shapes can be created using four congruent isosceles right triangles? Dig in!

 
Favorites (19)
 
Resources (21)
 
Reflections (4)
   

Pyramids and Spheres Exploration

Geometry » Unit: 3-D Shapes and Volume
Geometry » Unit: 3-D Shapes and Volume
Stephanie Conklin
Saratoga Springs, NY
Environment: Suburban
 
Big Idea:

Students will use play dough to discover the volume formulas for pyramids and spheres.

 
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Resources (36)
 
Reflections (2)
playdough image for pyramids and spheres exploration
   

Circles Assessment

Geometry » Unit: Circles
Geometry » Unit: Circles
Stephanie Conklin
Saratoga Springs, NY
Environment: Suburban
 
Big Idea:

Students will complete a problem set of challenging application and proof based circle problems.

Standards:
 
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Resources (13)
 
Reflections (2)
image for circles assessment
   

Moon Shadows, Cones, and Pyramids

Geometry » Unit: Volume of Cones, Pyramids, and Spheres
Geometry » Unit: Volume of Cones, Pyramids, and Spheres
Tom Chandler
Ault, CO
Environment: Rural
 
Big Idea:

Students learn about the properties of pyramids and cones as they analyze the geometry of a solar eclipse.

 
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Resources (25)
moonshadows image
   

Simplifying Square Roots

Geometry » Unit: Scaling Up- Dilations, Similarity and Proportional Relationships
Geometry » Unit: Scaling Up- Dilations, Similarity and Proportional Relationships
Tom Chandler
Ault, CO
Environment: Rural
 
Big Idea:

Students use a geometric model to understand the properties of square roots. Look, Ma! No calculator!

Standards:
 
Favorites (2)
 
Resources (12)
square root of 72
Common Core Math
 
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