HSG-GPE.B.5

Prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems (e.g., find the equation of a line parallel or perpendicular to a given line that passes through a given point).

 
19 Lesson(s)
   

Line It Up!

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

In this student-centered lesson, students work together to construct parallel and perpendicular lines while also writing equations for these lines.

 
Favorites (6)
 
Resources (39)
 
Reflections (5)
art and lines line it up image
   

Graphing Parallel and Perpendicular Lines (Day 2 of 2)

Algebra I » Unit: Graphing Linear Functions
Algebra I » Unit: Graphing Linear Functions
Noelani Davis
Washington, DC
Environment: Urban
 
Big Idea:

Students will connect the main ideas from the previous four lessons to write the equations of parallel and perpendicular lines using given information.

 
Favorites (31)
 
Resources (17)
 
Reflections (2)
makati intersection
   

Get Perpendicular with Geoboards!

Algebra I » Unit: Linear Functions
Algebra I » Unit: Linear Functions
Rhonda Leichliter
Rogers, AR
Environment: Rural
 
Big Idea:

Students reason about Perpendicular Lines with simple concrete examples using Geoboards and extend their reasoning to designing parking lines.

 
Favorites (2)
 
Resources (17)
 
Reflections (1)
working with geoboards
   

Tools of Geometry Unit Assessment

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

Test time! Students take the first unit assessment, aligned to the Common Core standards for this unit.

 
Favorites (8)
 
Resources (13)
image2 test
   

Equations for Parallel and Perpendicular Lines.

Algebra I » Unit: Linear Functions
Algebra I » Unit: Linear Functions
Rhonda Leichliter
Rogers, AR
Environment: Rural
 
Big Idea:

For students to write the equation of a line parallel to or perpendicular to a line and passing through a given point using different representations of linear functions.

 
Favorites (1)
 
Resources (12)
parallel through a given point
   

Why are lines parallel?

Algebra I » Unit: Linear Functions
Algebra I » Unit: Linear Functions
Rhonda Leichliter
Rogers, AR
Environment: Rural
 
Big Idea:

The emphasis in this lesson is that students not only know the definition of parallel lines, but why lines are parallel.

 
Resources (9)
parallel lines
   

Graphing Parallel and Perpendicular Lines (Day 1 of 2)

Algebra I » Unit: Graphing Linear Functions
Algebra I » Unit: Graphing Linear Functions
Noelani Davis
Washington, DC
Environment: Urban
 
Big Idea:

Through graphing students will deduce that the slopes of parallel lines are the same and the slopes of perpendicular lines are opposite reciprocals.

 
Favorites (23)
 
Resources (16)
 
Reflections (2)
753687 6d71e96c
   

Coordinate Geometry Unit Review and Test

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

Test time! Students review and then take the unit assessment, hopefully demonstrating their knowledge of coordinate geometry, as well as their ability to organize and justify their work.

 
Favorites (5)
 
Resources (14)
test taker
   

More Practice with Coordinate Geometry

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

Students put their coordinate geometry knowledge to work, investigating characteristics of geometric figures and proving hypotheses.

 
Favorites (3)
 
Resources (9)
image more coord geometry dec 2013
   

Review Day

Algebra I » Unit: Graphing Linear Functions
Algebra I » Unit: Graphing Linear Functions
Noelani Davis
Washington, DC
Environment: Urban
 
Big Idea:

Students will complete review questions from the current unit as well as practice their pacing when answering assessment questions.

 
Favorites (7)
 
Resources (16)
 
Reflections (1)
hand holding paper
   

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
   

Perp Lines are Perfect

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

Algebra and geometry intersect, please pardon the pun, in this lesson on perpendicular bisectors.

 
Favorites (1)
 
Resources (23)
 
Reflections (2)
perp lines image perp lines are perfect
   

Review for MidTerm

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

Around the world time! Students will travel around the classroom to review and then present their review questions to each other for review!

 
Favorites (1)
 
Resources (14)
 
Reflections (2)
world image   midterm
   

Exploring Our Concepts with Dynamic Geometry Software

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

What is a strategic use of tools? Let's use dynamic software to deepen our students' understanding of coordinate geometry!

 
Favorites (3)
 
Resources (20)
 
Reflections (2)
image geogebra
   

Assessment for Line-Sanity

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

Challenge students with this unit test or problem set covering perp and parallel lines, perp bisectors and many more line related topics

 
Resources (8)
 
Reflections (1)
abstract lines line sanity assessment
Common Core Math
 
Something went wrong. See details for more info
Nothing to upload
details
close