Lesson Plan
Curated OER

Geometry Lesson 7: Line Segments And Angles

For Teachers 4th
Fourth graders examine and identify line segments and angles using dot paper to draw them. They look at vertical, horizontal, intersecting, parallel and perpendicular lines, draw right angles and angles that are greater than and less...
Worksheet
Curated OER

Linear Equations

For Students 9th - 10th
In this algebra worksheet, students solve and graph linear equations. They differentiate between parallel and perpendicular lines. There are 35 questions about graphing.
Worksheet
Curated OER

Review of Geometry I

For Students 7th - 10th
In this review worksheet, learners identify the characteristics of intersecting and parallel lines  They explore vertical, supplementary, alternate interior, alternate exterior  and corresponding angles.  This...
Worksheet
Curated OER

Geometry

For Students 7th - 8th
In this line and angles instructional activity, students explore basic geometry vocabulary.  They classify polygons.  Students determine the area and perimeter of given shapes.  They examine the parts of a circle,...
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, students investigate shapes for properties that are related to the real world. They relate all the properties of shape tot he...
Lesson Plan
Curated OER

Making Parallel Lines

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

Lesson 5.3 Vocabulary Quiz: Concurrent Lines, Medians, & Altitudes

For Students 10th - 12th
In this vocabulary worksheet, students match a given vocabulary word to the correct definition.  Words include such terms as altitude, centroid, circumcenter, circumscribed circle, inscribed circle, median and...
Lesson Plan
Curated OER

Map Making Project

For Teachers 5th - 8th
Students identify and draw parallel, intersecting, and perpendicular lines and line segments. In this lines lesson plan, students draw a map with avenues and streets by drawing these lines.
Lesson Plan
Curated OER

Perpendicular Lines

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

Measurement

For Teachers 5th
Fifth graders measure specified distances when given perpendicular lines. In this measurement lesson plan, 5th graders draw the lines themselves.
Worksheet
Curated OER

Eight Determine the Equation of the Perpendicular Line Problems

For Students 8th - 9th
In this perpendicular lines learning exercise, students determine the equations of perpendicular lines in eight problems.  Examples, formulas, explanations, and solutions are provided.
Worksheet
Curated OER

The Relationship Between Slope and Perpendicular Lines

For Students 8th - 9th
In this perpendicular lines worksheet, students explore the relationship between perpendicular lines and slope in eight exercises and two worked examples.  The solutions are provided.
Worksheet
Curated OER

Slope of Parallel and Perpendicular Lines

For Students 9th - 11th
In this parallel and perpendicular lines worksheet, students determine the slope of a line.  They calculate the slope of a line parallel and perpendicular to a given line.  This two-page worksheet...
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...
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...
Lesson Plan
Curated OER

Applications of Properties of Quadrilaterals in the Coordinate Plane

For Teachers 9th - 12th
Students explore the concept of quadrilaterals. For this quadrilaterals lesson, students use the slope formula, midpoint formula, and distance formula to justify that a given quadrilateral is a parallelogram.
Worksheet
Curated OER

Right Triangle

For Students 8th - 9th
In this right triangle activity, students find the length of sides of a right triangle. This one-page activity contains 1 problem.
Worksheet
Curated OER

Right Triangle

For Students 8th - 9th
In this right triangle worksheet, students find the lengths of the sides of a triangle. This one-page worksheet contains 1 problem.
Worksheet
Curated OER

Lines and Angles

For Students 6th - 8th
In this lines and angles worksheet, students identify parallel and perpendicular lines. They demonstrate the characteristics of a straight line. They determine missing angle measurements. This two-page worksheet contains 3 multi-step...
Worksheet
Curated OER

Motions In Geometry

For Students 8th - 10th
For this motions in geometry worksheet, students draw translations, rotations, and reflections. This three-page worksheet contains examples, instructions, and 6 problems. The last page contains answers.
Worksheet
Curated OER

Parallel Lines

For Students 10th
In this parallel lines learning exercise, 10th graders solve and complete 16 different types of problems. First, they name the lines that are parallel to those listed. Then, students find that values that make each set of line parallel....
Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve and complete 12 different types of problems. First, they solve for a variable given each of the right triangles with the sides as indicated. Then, students determine the shorter...
Worksheet
Curated OER

Chapter 4.5 Geometry Practice Problems

For Students 10th - 11th
In this geometry practice problems learning exercise, students write geometric proofs to prove the validity of given circumstances. Students prove parallel lines, perpendicular lines, and similar angles. This four-page learning exercise...
Worksheet
Curated OER

Properties of Geometry

For Students 10th
In this properties of geometry learning exercise, 10th graders solve and complete 12 different problems that include various theorems. First, they draw a figure that illustrates the SAS inequality property. Then, students prove that two...