Worksheet
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Geometry Practice GG 66: Midpoint of a Line

For Students 10th - 11th
In this midpoint of a line activity, students examine coordinates and determine the midpoint of a line segment.  This three-page activity contains 10 multiple-choice problems.  Answers are provided on the last page.
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Perpendicular Bisector

For Students 10th - 12th
In this perpendicular bisector activity, students fold paper, according to instructions, to discover the perpendicular bisector of a segment.  They explore the distances from the bisector to the endpoints of a specified...
Lesson Plan
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Investigating Segments in a Triangle

For Teachers 9th - 12th Standards
Pupils investigate segments in a triangle by constructing a triangle using Cabri Jr. They construct segments within the triangle that lie on the midpoints of the triangle's sides. Learners then compare the slope of base of the triangle...
Lesson Plan
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Investigating Segments in a Right Triangle

For Teachers 9th - 12th Standards
High schoolers explore the concept of right triangles as they construct a right triangle using Cabri Jr. Learners find the midpoint of the hypotenuse and construct a line from the midpoint to the vertex of the right angle. They then...
Worksheet
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Practice Test: Vectors

For Students 10th - 12th
In this vector worksheet, students find symmetric equations and the equation of a plane for given situations. They identify unit vectors and determine the distance between midpoints. This two-page worksheet contains 6 multi-step problems.
Worksheet
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Congruence Statements

For Students 10th
In this congruence statements worksheet, 10th graders solve and complete 16 various types of problems. First, they complete each congruence statement listed. Then, students graph each set of points on the coordinate plane provided. They...
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Angle Measures

For Students 10th
In this angle measures worksheet, 10th graders solve and complete 6 different types of problems. First, they find the coordinates of each angle given. Then, students determine if the angles are complementary or supplementary. They also...
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Infinite Geometric Series

For Students 11th
In this infinite geometric series instructional activity, 11th graders solve and complete 33 various types of problems. First, they find the sum of the infinite geometric series for each of the given. Then, students find the range of...
Worksheet
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Triangulation Experiment

For Students 11th - Higher Ed
In this triangulation worksheet, students solve and complete 11 steps of an experiment to determine the distance to a far away object using triangulation and trigonometry. First, they select a far away object and create a baseline far...
Lesson Plan
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Midpoints and Segment Congruence

For Teachers 8th - 10th
In this midpoint worksheet, students use a number line to find the midpoint of a line segment. Next, they find the midpoint of a line using the coordinate plane. Examples of how to use each method are given at the beginning of the...
Worksheet
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Fifteen Regents Exam Midpoint Problems

For Students 8th - 10th
In this midpoint worksheet, students answer ten multiple choice and five free-response problems using the midpoint formula.  The solutions are provided.
Lesson Plan
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Coordinate Proofs

For Teachers 9th - 12th
Young scholars explore the concept of coordinate proofs. In this coordinate proofs lesson, students write coordinate proofs using properties of distance, slope, and midpoint. Young scholars discuss why it is sometimes beneficial to...