HSG-GPE.A.2

Derive the equation of a parabola given a focus and directrix.

 
17 Lesson(s)
   

Parabola Problem Partner Critiques

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Tiffany Dawdy
Phoenix, AZ
Environment: Urban
 
Big Idea:

A silent board game helps students recall how to complete the square then students critique the work of others in the AB partner activity.

 
Resources (18)
parabola image revised
   

The Parabola (Day 1 of 2)

12th Grade Math » Unit: Conics
12th Grade Math » Unit: Conics
Katharine Sparks
Independence, MO
Environment: Suburban
 
Big Idea:

Why does the equation of a parabola have only one variable squared?

 
Favorites (2)
 
Resources (23)
 
Reflections (3)
parabola  psf
   

Wax Paper Activity (Day 1 of 2)

12th Grade Math » Unit: Conics
12th Grade Math » Unit: Conics
Katharine Sparks
Independence, MO
Environment: Suburban
 
Big Idea:

Through a poster students place wax paper designs made in previous lessons on a graph then determine the equation for the conic represented by the design.

 
Favorites (1)
 
Resources (25)
 
Reflections (4)
conic project
   

The Parabola (Day 2 of 2)

12th Grade Math » Unit: Conics
12th Grade Math » Unit: Conics
Katharine Sparks
Independence, MO
Environment: Suburban
 
Big Idea:

Why are the directrix and the focus important to understanding parabolas?

 
Favorites (2)
 
Resources (19)
 
Reflections (1)
mirage for lesson
   

Wax Paper Activity (Day 2 of 2)

12th Grade Math » Unit: Conics
12th Grade Math » Unit: Conics
Katharine Sparks
Independence, MO
Environment: Suburban
 
Big Idea:

How can I put a conic on a coordinate plane so that an equation can be found?

 
Favorites (1)
 
Resources (22)
 
Reflections (4)
conics example
   

Human Conics: Parabolas

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Tiffany Dawdy
Phoenix, AZ
Environment: Urban
 
Big Idea:

Students collaborate with partners to become a human conic section by drawing parabolas using rope and sidewalk chalk.

 
Favorites (2)
 
Resources (12)
human conics pic
   

Conic Sections Unit Test

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Tiffany Dawdy
Phoenix, AZ
Environment: Urban
 
Big Idea:

Students show their personal knowledge of graphing and writing equations for conic sections.

 
Favorites (2)
 
Resources (4)
exam
   

Parabolas

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Tiffany Dawdy
Phoenix, AZ
Environment: Urban
 
Big Idea:

Guided examples of writing the equation of a parabola are followed by deeper reflection questions which students answer in their teams and share with the class.

 
Resources (15)
parabola image
   

Parabolas and Review of Line-sanity!

Geometry » Unit: Line-sanity!
Geometry » Unit: Line-sanity!
Stephanie Conklin
Saratoga Springs, NY
Environment: Suburban
 
Big Idea:

Students will fold away to discover the relationship between a focus, directrix and parabola as well as play Jeopardy to review key topics in Line-sanity unit including alternate interior angles.

 
Favorites (1)
 
Resources (22)
 
Reflections (2)
lots of lines review of line sanity image
   

Conic Sections Test Review

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Tiffany Dawdy
Phoenix, AZ
Environment: Urban
 
Big Idea:

Students work together and ask questions as they prepare for tomorrow's unit test.

 
Favorites (2)
 
Resources (4)
copy of review image
   

Pondering Parabolas

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Tim  Marley
Troy, MI
Environment: Suburban
 
Big Idea:

Use a variety of tools for parabola problems.

 
Favorites (1)
 
Resources (8)
untitled
   

Review Game: Lingo

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Tim  Marley
Troy, MI
Environment: Suburban
 
Big Idea:

The game show Lingo inspires this conic section review.

 
Favorites (2)
 
Resources (6)
copy of untitled
   

Loci and Analtyic Geometry

Geometry » Unit: Analytic Geometry
Geometry » Unit: Analytic Geometry
Anthony Carruthers
Pasadena, CA
Environment: Suburban
 
Big Idea:

Which came first, the algebra or the geometry? After this lesson, students will interplay between these two branches of mathematics.

 
Resources (14)
 
Reflections (2)
parabola diagram
   

Unit Assessment: Conic Sections

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Tim  Marley
Troy, MI
Environment: Suburban
 
Big Idea:

Assess your students' understanding of this unit.

 
Favorites (1)
 
Resources (5)
 
Reflections (1)
exam
   

Unit Review: Conic Sections

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Tim  Marley
Troy, MI
Environment: Suburban
 
Big Idea:

Summarize the big ideas of this unit.

 
Favorites (2)
 
Resources (5)
copy of untitled
Common Core Math
 
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