Curated OER
Dichotomous Keys
Students define the word dichotomous and explain why a dichotomous key is a useful tool in identifying different species. Then they look up words they are unfamiliar with or mollusk reference books so students can
learn the names of...
Curated OER
2-D and 3-D Presents at Pedro's Party
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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Rotational Symmetry
In this rotational symmetry instructional activity, 10th graders identify and compare 10 different figures illustrated on the sheet. They write the order of rotational symmetry seen in each figure as compared to the others. They also...
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Geometry Lesson 7: Line Segments And Angles
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...
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Linear Equations
In this algebra worksheet, students solve and graph linear equations. They differentiate between parallel and perpendicular lines. There are 35 questions about graphing.
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Review of Geometry I
In this review worksheet, students identify the characteristics of intersecting and parallel lines They explore vertical, supplementary, alternate interior, alternate exterior and corresponding angles. This...
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Geometry
In this line and angles worksheet, students explore basic geometry vocabulary. They classify polygons. Students determine the area and perimeter of given shapes. They examine the parts of a circle, find volume and...
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Parallel-o-Home
High schoolers investigate the usage of parallel and perpendicular shapes in the real world. In this geometry activity, students investigate shapes for properties that are related to the real world. They relate all the properties of...
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Making Parallel Lines
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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Lesson 5.3 Vocabulary Quiz: Concurrent Lines, Medians, & Altitudes
In this vocabulary activity, students match a given vocabulary word to the correct definition. Words include such terms as altitude, centroid, circumcenter, circumscribed circle, inscribed circle, median and orthocenter. ...
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Map Making Project
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.
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Perpendicular Lines
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...
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Measurement
Fifth graders measure specified distances when given perpendicular lines. In this measurement lesson plan, 5th graders draw the lines themselves.
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Eight Determine the Equation of the Perpendicular Line Problems
In this perpendicular lines worksheet, learners determine the equations of perpendicular lines in eight problems. Examples, formulas, explanations, and solutions are provided.
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The Relationship Between Slope and Perpendicular Lines
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.
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Slope of Parallel and Perpendicular Lines
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...
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Parallel and Perpendicular Lines
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...
Alabama Learning Exchange
Graphing Stations
Students explore the concept of graphing stations. For this graphing stations lesson, students head to various teacher set-up stations involving slope, point-slope, standard form, parallel lines, etc. Students work problems...
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Applications of Properties of Quadrilaterals in the Coordinate Plane
Students explore the concept of quadrilaterals. In this quadrilaterals lesson, students use the slope formula, midpoint formula, and distance formula to justify that a given quadrilateral is a parallelogram.
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Right Triangle
In this right triangle worksheet, students find the length of sides of a right triangle. This one-page worksheet contains 1 problem.
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Right Triangle
In this right triangle worksheet, students find the lengths of the sides of a triangle. This one-page worksheet contains 1 problem.
Curated OER
Lines and Angles
In this lines and angles activity, students identify parallel and perpendicular lines. They demonstrate the characteristics of a straight line. They determine missing angle measurements. This two-page activity contains 3 multi-step...
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Motions In Geometry
In this motions in geometry worksheet, learners draw translations, rotations, and reflections. This three-page worksheet contains examples, instructions, and 6 problems. The last page contains answers.
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Parallel Lines
In this parallel lines activity, 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. They also...