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!
Saratoga Springs, NY
Environment: Suburban

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Favorites (6)

Resources (39)

Reflections (5)

Graphing Parallel and Perpendicular Lines (Day 2 of 2)

Algebra I » Unit: Graphing Linear Functions
Algebra I » Unit: Graphing Linear Functions
Washington, DC
Environment: Urban

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Standards:

Favorites (34)

Resources (17)

Reflections (2)

Get Perpendicular with Geoboards!

Algebra I » Unit: Linear Functions
Algebra I » Unit: Linear Functions
Rogers, AR
Environment: Rural

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Standards:

Favorites (2)

Resources (17)

Reflections (1)

Tools of Geometry Unit Assessment

Geometry » Unit: Tools of Geometry
Geometry » Unit: Tools of Geometry
Amsterdam, NY
Environment: Urban

Big Idea:

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

Standards:

Favorites (8)

Resources (13)

Algebra I » Unit: Linear Functions
Rogers, AR
Environment: Rural

Big Idea:

Standards:

Favorites (1)

Resources (12)

Why are lines parallel?

Algebra I » Unit: Linear Functions
Algebra I » Unit: Linear Functions
Rogers, AR
Environment: Rural

Big Idea:

Standards:

Resources (9)

Graphing Parallel and Perpendicular Lines (Day 1 of 2)

Algebra I » Unit: Graphing Linear Functions
Algebra I » Unit: Graphing Linear Functions
Washington, DC
Environment: Urban

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Standards:

Favorites (26)

Resources (16)

Reflections (2)

Coordinate Geometry Unit Review and Test

Geometry » Unit: Coordinate Geometry
Geometry » Unit: Coordinate Geometry
Amsterdam, NY
Environment: Urban

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Standards:

Favorites (5)

Resources (14)

More Practice with Coordinate Geometry

Geometry » Unit: Coordinate Geometry
Geometry » Unit: Coordinate Geometry
Amsterdam, NY
Environment: Urban

Big Idea:

Standards:

Favorites (4)

Resources (9)

Review Day

Algebra I » Unit: Graphing Linear Functions
Algebra I » Unit: Graphing Linear Functions
Washington, DC
Environment: Urban

Big Idea:

Standards:

Favorites (8)

Resources (16)

Reflections (1)

Parabolas and Review of Line-sanity!

Geometry » Unit: Line-sanity!
Geometry » Unit: Line-sanity!
Saratoga Springs, NY
Environment: Suburban

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Standards:

Favorites (1)

Resources (22)

Reflections (2)

Perp Lines are Perfect

Geometry » Unit: Line-sanity!
Geometry » Unit: Line-sanity!
Saratoga Springs, NY
Environment: Suburban

Big Idea:

Standards:

Favorites (1)

Resources (23)

Reflections (2)

Review for MidTerm

Geometry » Unit: MidTerm Materials
Geometry » Unit: MidTerm Materials
Saratoga Springs, NY
Environment: Suburban

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

Standards:

Favorites (2)

Resources (14)

Reflections (2)

Geometry » Unit: Coordinate Geometry
Amsterdam, NY
Environment: Urban

Big Idea:

Standards:

Favorites (3)

Resources (20)

Reflections (2)

Assessment for Line-Sanity

Geometry » Unit: Line-sanity!
Geometry » Unit: Line-sanity!
Saratoga Springs, NY
Environment: Suburban

Big Idea:

Standards:

Resources (8)

Reflections (1)
Common Core Math