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Lesson Plan
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Illustrative Mathematics

The Geometry of Letters

For Teachers 3rd - 5th Standards
Use the alphabet as a tool for teaching your class about geometric figures. Break apart capital letters into line segments and arcs. Classify angles as right, acute, or obtuse. Identify parallel and perpendicular lines. An excellent...
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Worksheet
Curated OER

Parallel and Perpendicular Lines

For Students 11th - Higher Ed
For this college level mathematics worksheet, students determine if lines are parallel or perpendicular and write the equation of a line described by a given set of conditions. The two page worksheet contains forty=two problems. Answers...
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Worksheet
Curated OER

Semester 1 Review for Geometry final

For Students 10th
In this geometry worksheet, 10th graders solve problems that are based on the topics covered in a first semester geometry class, including, linear equations and the equations of parallel and perpendicular lines, the logic of geometry,...
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Worksheet
Curated OER

The Slope of Parallel and Perpendicular Lines

For Students 9th - 11th
For this Algebra I/Algebra II worksheet, students examine slope to determine if the given lines are parallel or perpendicular.  Students determine the equation of lines that are either parallel or perpendicular to the given line.  The...
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Worksheet
Curated OER

Parallel and Perpendicular Lines

For Students 9th - 11th
In this Algebra I/Algebra II/Geometry worksheet, students examine the slopes of parallel and perpendicular lines and the relationship to the equation of the line. The four page worksheet contains explanation of topic, worked examples,...
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Worksheet
Curated OER

Parallel and Perpendicular Lines

For Students 9th - 10th
In this algebra/geometry worksheet, students investigate the slopes and equations of parallel and perpendicular lines.  The two page worksheet contains a combination of eleven multiple choice and free response questions.  Solutions are...
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Lesson Plan
Curated OER

2-D and 3-D Presents at Pedro's Party

For Teachers 5th
Fifth graders draw 2-D and 3-D shapes. They sketch and label geometric figures with correct terminology, then explore parallel and perpendicular lines. Pupils sort and classify shapes drawn.
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Worksheet
Curated OER

Linear Equations

For Students 9th - 10th
In this algebra learning exercise, students solve and graph linear equations. They differentiate between parallel and perpendicular lines. There are 35 questions about graphing.
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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 instructional activity, students investigate shapes for properties that are related to the real world. They relate all the properties...
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Lesson Plan
Curated OER

Making Parallel Lines

For Teachers 8th - 10th
Students differentiate between parallel and perpendicular lines. In this geometry lesson, students make conjectures and apply it to solve real life situations. They collect data and make predictions based on the data.
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Worksheet
Curated OER

Parallel and Perpendicular Lines 2

For Students 8th - 9th
In this parallel and perpendicular lines worksheet, students solve 18 different problems that include determining various parallel and perpendicular lines. First, they determine and write the equation for each description given. Then,...