Curated OER
Line Construction
In this geometry worksheet, students construct perpendicular and parallel lines through a given points using a straightedge and a compass. There are 5 questions with an answer key.
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Classifying Angles
In this classifying angles learning exercise, 10th graders solve and complete 35 various types of problems. First, they match each type of angle with its correct description. Then, students determine whether the given lines or planes are...
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Constructing Perpendicular Bisectors
Tenth graders investigate parallel lines and the angles formed when cut by a transversal. In this geometry lesson, 10th graders construct perpendicular lines and discuss midpoint, segments and perpendicular bisectors. They relate...
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Lines
In this Algebra I/Algebra II worksheet, young scholars determine the slope of a line, write the equation of a line, examine parallel and perpendicular lines, and solve problems involving linear relationships. The two page worksheet...
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Parallel and Perpendicular Letters
In this parallel and perpendicular worksheet, students complete 4 problems, identify parallel and perpendicular line segments and completing an 'extend it' question.
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Tangents, Secants, and Chords
In this tangents, secants and chords worksheet, 10th graders identify and solve 48 different problems that include using 3 different theorems for defining circles. First, they determine the area of each circle with C as the center and a...
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Chapter 2.3 - Slope
In this slope worksheet, students answer 16 slope intercept questions. They determine slopes based on equations, graphs and coordinates. Students also find the equations of lines parallel and perpendicular to a given line and that goes...
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Constructing Parallel Lines
Students construct parallel lines using a protractor and a straightedge. In this geometry lesson, students identify the properties of parallel lines. They use Cabri to graph and observe the lines.
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Lines and Strings
In this lines and strings worksheet, learners connect the letters along the outside of the box with string to create different kinds of lines. Students complete 4 problems.
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Angles and Parallel Lines Homework
In this geometry worksheet, students identify the angles formed by parallel lines and a transversal. They differentiate between the angles of a transversal and that of a perpendicular line. There are 14 questions.
Alabama Learning Exchange
Graphing Stations
Students explore the concept of graphing stations. In this graphing stations lesson, students head to various teacher set-up stations involving slope, point-slope, standard form, parallel lines, etc. Students work problems at...
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Chapter 4.5 Geometry Practice Problems
In this geometry practice problems activity, learners write geometric proofs to prove the validity of given circumstances. Students prove parallel lines, perpendicular lines, and similar angles. This four-page activity contains eight...
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Lines, Rays, and Angles
Third graders read "Pigs on the Ball" by Amy Axelrod and discuss the geometry concepts presented in the book. They use Twizzler sticks and pipe cleaners to represent lines, rays and angles.
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Are We Sure They Are Parallel?
Fourth graders explore the definition and properties of parallel lines. This high level lesson has students calculate the slope of the two parallel lines, and draw the lines on a Caretsian coordinate system.
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Equation of a Line
In this equation of a line worksheet, 9th graders solve and complete 7 different problems. First, they find all values of the constant k, if the line contains the given points. Then, students write an equation of the line which passes...
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Points, Lines and Segments
In this point, line and segment worksheet, students use words and symbols to name given figures; when 2 lines are show, students label as parallel, intersecting or perpendicular.
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Lesson Plan One: Points, Lines, Rays
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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Geometric Figure Quiz
In this geometric figure instructional activity, students answer 10 multiple choice questions about geometric figures. Students find missing angles, interior angles, properties of polygons, etc.
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Midpoints
In this midpoints instructional activity, 10th graders solve and complete 10 different problems. First, they find the perimeter of each illustrated triangle. Then, students determine the bases and median of a trapezoid. They also prove...
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Searching for Angles and Lines
Middle schoolers work to find and reinforce concepts related to lines and angles. They identify the characteristics of shapes that have one, two, and three dimensions. The students also work on definitions related to the geometry of shapes.
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Connecting Algebra and Geometry Through Coordinates
This unit on connecting algebra and geometry covers a number of topics including worksheets on the distance formula, finding the perimeter and area of polynomials, the slope formula, parallel and perpendicular lines, parallelograms,...
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Geometry: Lesson 1: Points, Lines, Segments, Angles
Fourth graders examine the concepts of, draw, and label points, lines, segments, and angles, They draw, label, and identify horizontal, vertical, intersecting, parallel, and perpendicular lines. They complete an associated worksheet that...
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Is the Slope Legal?
Students define parallel and perpendicular lines. For this algebra lesson, students relate the concept of parallel and perpendicular lines to the real world. They classify the lines based on their slopes.
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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...