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Parallel Lines
In this parallel lines worksheet, 10th graders solve 10 different problems that include determining various parallel lines. First, they describe the locus of an object that has to be kept equidistant from 2 parallel objects. Then,...
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Compound Locus
For this compound locus worksheet, 10th graders solve and complete 10 different problems related to compound locus. First, they determine the number of points in a plane that is units from a given line and from a given point on a line....
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Angle Measurement
In this angle measurement activity, 10th graders solve 24 different problems related to determining the measurement of various angles. First, they define the various ways to measure an angle and define the type of angle that it is. Then,...
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Parallel Lines and Types of Angles
In this angles and parallel lines worksheet, students solve 40 problems that pertain to parallel lines, supplementary, vertical, corresponding and alternate angles. There is instruction on the page with examples. This page is intended as...
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Identifying Similar Triangles
For this identifying similar triangles worksheet, 10th graders solve 5 different proofs related to similar triangles. First, they identify the similar triangles in each figure and explain why they are similar, using the information to...
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Parallel Lines and Proportional Parts
In this parallel lines and proportional parts instructional activity, 10th graders solve 5 different problems related to determining whether lines are parallel and proportional in each figure. First, they refer to the figure shown at the...
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Parallel Lines and Proportional Parts
In this parallel lines and proportional parts worksheet, 10th graders solve 6 problems that include applying the theorems involved in proportional parts of triangles. First, they identify and describe each theorem. Then, students find...
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Proving Lines Parallel
In this proving lines parallel learning exercise, 10th graders solve 10 different types of problems that prove that various lines are parallel to each other. First, they find the value of x so that line a is parallel to line b. Then,...
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Angles and Parallel Lines
In this angles and parallel lines activity, 10th graders solve 15 different problems related to measuring angles and parallel lines in three different figures. First, they find the measure of each angle in the first figure, numbers 1-10....
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Inscribed Angles
In this inscribed angles worksheet, 10th graders solve 13 various types of problems related to inscribed angles in geometry. First, they identify a circle illustrated and each arc of the circle. They, students find the measure of each...
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Parallel Lines and Transversals
In this parallel lines and transversals worksheet, 10th graders solve nine different problems related to measuring parallel lines and transversals. First, they name two more pairs of parallel segments, two more skew segments, and two...
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Sail Problem
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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Slope and Parallel Lines
Students plot pairs of Cartesian coordinates on graph paper and connect points with straightedges. They examine the lines and determine if they are parallel or not by finding the equations of the lines and comparing the slopes. They...
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Determining Angle Measure with Parallel Lines
Students observe and solve examples of corresponding angle postulates, alternate interior angle theorems, and exterior and consecutive angles. They complete the Determining Angle Measure With Parallel Lines worksheet.
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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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Practice Problems
Students will determine the relationship between two line segments in a given three-dimensional figure. Figures are either rectangular or triangular prisms.
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Identifying Parallel and Perpendicular Lines
Young scholars explore basic geometry. In this geometry instructional activity, students study points and lines that exist in flat planes. Young scholars investigate parallel and perpendicular lines.
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Parallel Lines and Triangles
In this triangles activity, students solve 1 problem of multiple variables within a single picture of various triangles intersecting with a pair of parallel lines.
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Properties of Lines - Parallel and Perpendicular
Sixth graders identify parallel and perpendicular lines in the alphabet. In this line properties lesson, 6th graders use the letters of the alphabet to show parallel and perpendicular lines. Students open a Geogrid Mat on the computer...
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Describing Lines
In this geometry worksheet, 3rd graders examine 4 lines. They label the horizontal line, the vertical line, and the set of parallel lines.
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Finding Unknown Angles
In this finding unknown angles worksheet, 10th graders find each numbered angle's measure for 20 different angles shown in the diagrams. They calculate the size of an angle when the other two angles are known to equal 180 degrees. Then,...
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Naming Angles
In this naming angles worksheet, 10th graders solve 12 different problems by responding to each statement defining the angles shown in each box. They name a linear pair in 3 of the problems and name a pair of supplementary angles in 4...