HSG-CO.D.13

Construct an equilateral triangle, a square, and a regular hexagon inscribed in a circle.

 
24 Lesson(s)
   

Tremendous Triangles Projects

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

It's students' time to shine! Students develop their own problem and then shoot a video to explain how to prove their triangles congruent.

 
Favorites (9)
 
Resources (12)
 
Reflections (1)
video shoot image tremendous triangle project
   

Fall Interim Assessment

Geometry » Unit: Fall Interim Assessment: Geometry Intro, Constructions and Rigid Motion
Geometry » Unit: Fall Interim Assessment: Geometry Intro, Constructions and Rigid Motion
Marisa Laks
New York, NY
Environment: Urban
 
Big Idea:

This is a comprehensive assessment of Units 1, 2 and 3.

 
Favorites (3)
 
Resources (6)
 
Reflections (1)
interim assessment image
   

Angles of a Triangle

Geometry » Unit: Parallel Lines
Geometry » Unit: Parallel Lines
Beth Menzie
Amsterdam, NY
Environment: Urban
 
Big Idea:

Students learn about the different types of triangles, the relationships between the interior and exterior angles of a triangle, and apply their knowledge to numerical problems and constructions.

 
Favorites (17)
 
Resources (23)
 
Reflections (1)
image triangles
   
Geometry » Unit: Geometric Constructions
Marisa Laks
New York, NY
Environment: Urban
 
Big Idea:

Students will use rotation to construct regular polygons inscribed in circles.

Standards:
 
Favorites (1)
 
Resources (14)
 
Reflections (1)
constructing regular polygons using gsp image
   

Geometric Constructions Assessment Error Analysis

Geometry » Unit: Geometric Constructions
Geometry » Unit: Geometric Constructions
Marisa Laks
New York, NY
Environment: Urban
 
Big Idea:

Using a generic student's responses to questions on the End of Unit Assessment, students will identify and explain errors and make corrections.

 
Favorites (2)
 
Resources (9)
 
Reflections (1)
geometric construction error analysis
   

Triangle Sum Theorem and Special Triangles

Geometry » Unit: Discovering and Proving Triangle Properties
Geometry » Unit: Discovering and Proving Triangle Properties
Jessica Uy
Sunnyvale, CA
Environment: Suburban
 
Big Idea:

By investigating the angles of four different types of triangles, students conjecture about the interior angle sum of triangles and ultimately prove the triangle sum theorem.

 
Favorites (7)
 
Resources (22)
 
Reflections (1)
triangle sum cropped image 1
   
Geometry » Unit: Geometric Constructions
Marisa Laks
New York, NY
Environment: Urban
 
Big Idea:

Students will use concepts from previous lessons to construct equilateral triangles, squares and regular hexagons inscribed in a circle.

Standards:
 
Favorites (3)
 
Resources (12)
 
Reflections (1)
images 1
   

Interior and Exterior Angle Sum of Polygons

Geometry » Unit: Discovering and Proving Polygon Properties
Geometry » Unit: Discovering and Proving Polygon Properties
Jessica Uy
Sunnyvale, CA
Environment: Suburban
 
Big Idea:

Through investigating a variety of polygons with different numbers of sides, students will discover the interior and exterior angle sum for any polygon.

 
Favorites (7)
 
Resources (26)
 
Reflections (1)
student sample
   

Parallel Lines Unit Assessment

Geometry » Unit: Parallel Lines
Geometry » Unit: Parallel Lines
Beth Menzie
Amsterdam, NY
Environment: Urban
 
Big Idea:

Test time! Students demonstrate their knowledge of parallel lines, the relationships among angles of a triangle and the angle sums of a triangle, constructions, and logic statements.

 
Favorites (2)
 
Resources (14)
 
Reflections (1)
image test taker 100th try
   

Geometric Constructions End of Unit Assessment

Geometry » Unit: Geometric Constructions
Geometry » Unit: Geometric Constructions
Marisa Laks
New York, NY
Environment: Urban
 
Big Idea:

Students will complete an end of unit assessment on geometric constructions.

 
Favorites (1)
 
Resources (8)
 
Reflections (1)
images 5 1
   

Constructing Quadrilaterals using Geometer's Sketchpad

Geometry » Unit: Geometric Constructions
Geometry » Unit: Geometric Constructions
Marisa Laks
New York, NY
Environment: Urban
 
Big Idea:

Students will construct quadrilaterals, parallelograms, rectangles and squares using Geometer's Sketchpad.

Standards:
 
Favorites (2)
 
Resources (13)
 
Reflections (1)
constructing quadrilaterals using gsp image
   

Common Core Geometry Midcourse Assessment Review Day 1 of 2

Geometry » Unit: Common Core Geometry Midcourse Assessment
Geometry » Unit: Common Core Geometry Midcourse Assessment
Marisa Laks
New York, NY
Environment: Urban
 
Big Idea:

Students create a review sheet covering topics from the first day of the midcourse assessment. They write tips for performing constructions and create questions about transformations on the coordinate plane.

 
Favorites (1)
 
Resources (11)
midcourse assessment review day 1 image
   

Pulling It All Together: Parallel Lines Unit Review

Geometry » Unit: Parallel Lines
Geometry » Unit: Parallel Lines
Beth Menzie
Amsterdam, NY
Environment: Urban
 
Big Idea:

Time to pull it all together! Students work cooperatively, applying their knowledge of parallel lines in preparation for the unit test.

 
Favorites (1)
 
Resources (24)
 
Reflections (3)
image review
   

Constructing Triangles

Geometry » Unit: Geometric Constructions
Geometry » Unit: Geometric Constructions
Marisa Laks
New York, NY
Environment: Urban
 
Big Idea:

Students will construct triangles given segments of specific lengths.

 
Favorites (1)
 
Resources (13)
 
Reflections (1)
imgres
   

Perfect Polygons

Geometry » Unit: Congruence and Rigid Motions
Geometry » Unit: Congruence and Rigid Motions
Tom Chandler
Ault, CO
Environment: Rural
 
Big Idea:

Constructing polygons inscribed in a circle allows students to experience first-hand the many congruences of a regular polygon. Besides, its fun!

 
Favorites (3)
 
Resources (29)
 
Reflections (3)
perfectpolygons image
Common Core Math
 
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