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Lesson Plan
Curated OER

Lines in the Plane

For Teachers 9th - 11th
Students differentiate between parallel and perpendicular lines. In this algebra instructional activity, students graph linear equations using the slope intercept form. They classify lines based on their slopes.
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Lesson Plan
EngageNY

First Consequences of FTS

For Teachers 8th Standards
Challenge the young mathematicians to find the exact coordinates of a dilated point. The fifth segment in a 16-part series introduces the class to the converse of the Fundamental Theorem of Similarity. Scholars use the theorem to find...
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Lesson Plan
Curated OER

Constructing Parallel and Perpendicular Lines

For Teachers 7th - 9th
 In this geometry worksheet, students construct lines that are parallel and perpendicular forming different angles. They differentiate between interior and exterior angles. Students identify the angles formed by a transversal and...
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Lesson Plan
EngageNY

Unknown Angle Proofs—Proofs of Known Facts

For Teachers 9th - 10th Standards
Lead the class in a Greek history activity with a geometric twist. Pupils relate a short video about geometric properties to modern-day methods of solving for unknown angles. They discuss parallel line theorems and complete practice...
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Lesson Plan
Curated OER

Parallel and Perpendicular Lines

For Teachers 4th
Fourth graders create a dance with a partner that shows parallel and perpendicular lines. In this lines lesson plan, 4th graders create symmetrical designs and line pairs with their partner.
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Lesson Plan
Curated OER

Points, Lines, and Distance

For Teachers 9th - 12th Standards
Students calculate the distance between two points. In this geometry lesson plan, students define the meaning of the distance between parallel lines. They find the point of intersection of other lines.
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Lesson Plan
Curated OER

Parallel and Perpendicular Lines

For Teachers 5th
Fifth graders complete activities to investigate parallel and perpendicular lines. In this plane geometry lesson, 5th graders watch a movie about parallel and perpendicular lines. Students work in pairs to describe and draw the lines in...
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Lesson Plan
Curated OER

Angles and Parallel Lines

For Teachers 6th
Sixth graders draw parallel and intersecting lines to observe and examine the characteristics of alternate interior angles, vertical angles, corresponding angles, and supplementary angles. Through observation, they discover the...
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Lesson Plan
Curated OER

Angle Relationships

For Teachers 10th
Tenth graders explore the angle relationships that exist when two lines intersect. For this geometry lesson, 10th graders estimate the measure of given angles and use their graphing calculator tools. Students use this knowledge to find...
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Lesson Plan
Curated OER

"Polly"gon Pockets

For Teachers 3rd - 5th Standards
Explore polygons with your elementary learners. Divide the class in 12 to configure the polygon puzzle before them. They list the attributes of each type of polygon they see, and if there's time, they jump on the interactive website...
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Lesson Plan
Curated OER

Call it "Macaroni"

For Teachers 1st - 3rd
Who knew there were so many fun educational opportunities featuring pasta? Scholars read a brief informational text about the history of pasta (note that "macaroni" is spelled two different ways, so address this if kids are reading...
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Lesson Plan
Curated OER

Measurement of Angles

For Teachers 5th - 7th
Students measure angles that are formed by parallel lines and a transversal lines. In this angles lesson plan, students measure and define angles that are made by parallel and transversal lines. They will color code the angles based on...
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Lesson Plan
Curated OER

Sail Problem

For Teachers 9th - 12th Standards
High schoolers explore the proportional relationships involved in multiple parallel lines being cut by a transverse line. They complete a sail design problem, that involves finding the lengths of pieces of fabric along the edge of a sail...
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Lesson Plan
Curated OER

Investigating the Slopes of Parallel and Perpendicular Lines

For Teachers 9th - 12th Standards
High schoolers investigate parallel and perpendicular lines. They use Cabri Jr. to construct and explore the relationships between the slopes of parallel and perpendicular lines. The drawing and measurement tools available with Cabri Jr....
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Lesson Plan
Curated OER

Identify Polygons: Algebra/Geometry Institute

For Teachers 8th
Eighth graders classify geometric figures.  In this polygon lesson plan, 8th graders identify given geometric figures.  They compare and contrast different polygons.  Students name line segments, identify parallel lines, and...
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Lesson Plan
Alabama Learning Exchange

Graphing Stations

For Teachers 9th - 12th Standards
Students explore the concept of graphing stations.  In this graphing stations lesson plan, students head to various teacher set-up stations involving slope, point-slope, standard form, parallel lines, etc.  Students work problems at each...
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Lesson Plan
Curated OER

Perpendicular Lines

For Teachers 9th - 10th
Young scholars differentiate between parallel and perpendicular lines. In this geometry lesson, students identify the different angles created by perpendicular lines and parallel lines. They name the angles that are form when parallel...
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Lesson Plan
Curated OER

Using Parallel Axes To Discover Mathematical Interconnections

For Teachers 6th - 8th
In this math worksheet, young scholars graph the functions on parallel axes and observe the location of the slope point in relation to the x and y axes.
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Lesson Plan
Curated OER

Parallel and Perpendicular Lines

For Teachers 4th
Fourth graders examine parallel, perpendicular and intersecting lines. They create a drawing using examples of each type of line. They color code and explain the characteristics of specified lines.
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Lesson Plan
Curated OER

Parallel-o-Home

For Teachers 9th - 12th
Students investigate the usage of parallel and perpendicular shapes in the real world. In this geometry lesson plan, students investigate shapes for properties that are related to the real world. They relate all the properties of shape...
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Lesson Plan
Curated OER

Lesson Plan One: Points, Lines, Rays

For Teachers 5th
Fifth graders explore basic geometric terms. Pupils draw a physical picture of a scene that illustrates at least five geometric terms. Partners exchange drawings and locate the illustration of geometric terms in the drawing.
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Lesson Plan
EngageNY

Nature of Solutions of a System of Linear Equations

For Teachers 8th Standards
If at first you cannot graph, substitute. The lesson introduces the substitution method as a way to solve linear systems if the point of intersection is hard to determine from a graph. The 28th installment of a 33-part series finishes...
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Lesson Plan
Curated OER

Worksheet 7: Slope and Tangents

For Teachers 12th - Higher Ed
Providing both review and practice problems, this worksheet prompts students to answer five questions having to do with slope, tangents lines, graphing, the Squeeze Theorem, differentiable functions and derivatives. This activity could...
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Lesson Plan
Curated OER

Parallel Lines and Properties of Slope

For Teachers 9th - 10th
Students define functions to be graphed using the Y=key. They demonstrate how to set up a standard viewing screen using Zoom 6. They discuss and explore mathematical questions on a worksheet.

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