Worksheet
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Overlapping Squares

For Students 10th
For this geometry worksheet, 10th graders determine the area of a shaded region formed from two overlapping squares where one corner of one square is at the center of the other square.  The one page worksheet contains one...
Interactive
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Oliver- Part 3 of 3

For Students 4th - 6th
In this Oliver worksheet, students watch videos of the play and fill in the blanks to sentences about it. Students complete 2 activities.
Worksheet
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Angles and Parallel Lines

For Students 8th - 10th
In this geometry worksheet, students identify the interior and exterior angles of parallel lines cut by a transversal. There are 11 questions with an answer key.
Lesson Plan
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Maps

For Teachers 5th - 10th
Students figure out the mileage from one state to another using a map. In this map lesson, students look at the scale factor and turn it into a fraction. They measure the distance between two cities and use the proportion to find the...
Worksheet
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Eleven Angle Addition Postulate and Adjacent Angle Problems

For Students 9th - 11th
In this angles worksheet, learners use the angle addition postulate, the idea of adjacent angles and the diagrams shown to answer eleven questions
Worksheet
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Geometric Proof and Angles

For Students 10th
In this geometry activity, 10th graders write two-column and paragraph proofs to prove angle pair relationships.  The one page activity contains five problems.  Answers are not included. 
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Parallelograms

For Students 9th - 10th
In this geometry worksheet, students identify properties of parallelograms. They use proof to justify their answers using quadrilaterals and parallelograms. there are 25 questions.
Interactive
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Parallelograms Multiple Choice

For Students 9th - 10th
In this geometry worksheet, students calculate the different measurements for parallelograms using the properties of quadrilaterals. They are given partial information and must solve the problem. There are 6 questions with an answer...
Interactive
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Arcs and Chords Multiple Choice

For Students 9th - 10th
In this geometry worksheet, students answer questions about triangles using the correct properties. They find missing angles and sides of triangles. There are 15 questions with an answer key.
Worksheet
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Word Problems

For Students 9th - 10th
In this geometry instructional activity, students read a scenario and translate it using geometric concepts to find their answers. There are 15 questions with an answer key.
Worksheet
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Similar Objects

For Students 8th - 12th
For this geometry worksheet, students walk through the process of comparing the scale factor of two cylinders' surface area and volume and answer questions about the scale factor of prisms. There are 15 questions.
Interactive
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Geometry

For Students 9th - 10th
In this geometry worksheet, students identify the different shapes created by nets. They also identify the intersection of lines and planes. There are 5 questions with an answer key.
Lesson Plan
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Translations

For Teachers 9th - 10th
Students perform translations on different polygons. In this geometry lesson, students create figures that will be used as an assessment to represent transformation. They perform hands on creation and relate it to the real world.
Lesson Plan
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Reflections

For Teachers 9th - 10th
Young scholars investigate image and pre-image. In this geometry lesson, students identify the reflection and rotation of different shape on a coordinate plane. They identify similarities and differences of image and pre-image of a...
Worksheet
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Tangent Properties

For Students 10th
In this geometry worksheet, 10th graders solve problems based on the properties of lines tangent to one or more circles. Constructions are included. The one page worksheet contains eight questions. Answers are...
Lesson Plan
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Intersecting Lines and Segments of Measures

For Teachers 8th - 12th Standards
Mathematicians measure intersecting lines-and circles, and create chords. In this geometry lesson plan, students explore interrior and exterior chords created by tangent and secant lines. These segments can be inside the circleor outside...
Lesson Plan
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Faces, Vertices, Edges

For Teachers 9th - 10th
Students identify the parts of three dimensional objects. In this geometry lesson, students find the number of faces, edges and vertices. They differentiate between prisms and polyhedra.
Lesson Plan
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Quadrilateral Review

For Teachers 8th - 10th
Learners identify the properties of quadrilaterals. In this geometry lesson, students investigate the history of quadrilaterals and different types of quadrilaterals. They identify the length and mid-segment of each shape.
Lesson Plan
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Isosceles Triangles

For Teachers 9th - 10th
Students identify the properties of an isosceles triangle. In this geometry lesson plan, students find the midpoint, median and angle bisector of a triangle. They construct angle bisectors and measure missing angles.
Lesson Plan
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Circle, Secants

For Teachers 9th - 11th
Students identify the secant segment of a circle. In this geometry lesson plan, students investigate secant lines formed outside the circle. They use Cabri software to create drawings and explore circles and secants.
Lesson Plan
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Exploring the Properties of Rectangular Prisms.

For Teachers 9th - 10th
Students define properties of rectangular prisms. In this geometry lesson, students identify the relationship between two and three dimensional objects. They use Cabri technology to graph their figures.
Lesson Plan
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Exploring Secants: Products of Segments

For Teachers 9th - 10th
Students explore secants and circles. In this geometry instructional activity, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
Lesson Plan
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Exploring Properties of Rectangular Prisms

For Teachers 8th - 10th
Young scholars explore the properties of rectangular prisms. In this geometry instructional activity, students identify properties of two and three dimensional shapes. They use Cabri technology to create polygons and solve problems.
Lesson Plan
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Exploring Chords: Products of Chord Segments

For Teachers 7th - 10th
Students identify the properties of chords. In this geometry lesson plan, students multiply chord segments to find the solution to their problem. They construct two chords that cross on  a circles.

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