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Lesson Plan
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\n\"Exploring\n\n
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\nCurated OER\n
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\nExploring Geometric Mean\n

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\n\nFor Teachers\n\n8th - 10th\n
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\nStudent identify the solution using geometric mean. In this geometry lesson, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri software and observe...\n
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Lesson Plan
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\n\"Incenter\n\n
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\nCurated OER\n
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\nIncenter of a Triangle\n

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\n\nFor Teachers\n\n10th\n
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\nTenth graders find the incenter of a triangle. In this geometry lesson, 10th graders define the way to create an incenter with an angle bisector. They differentiate between incenter and incircle.\n
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Lesson Plan
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\n\"Triangle\n\n
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\nCurated OER\n
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\nTriangle Side Lengths and Angles Measures\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nStudents identify missing sides and angles. In this geometry activity, students use triangular theorems to identify the missing sides. They use the Pythagorean Theorem to find the different ratios of each side.\n
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Lesson Plan
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\n\"Discovering\n\n
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\nCurated OER\n
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\nDiscovering The Ratio Pi And The Diameter\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nStudents relate the ratio of Pi to the diameter of a circle. In this geometry lesson, students investigate the relationship of the chord of the circle the the number Pi. They define ration, chord, circumference and diameter and find...\n
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Lesson Plan
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\n\"Secant\n\n
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\nCurated OER\n
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\nSecant and Secant Segments\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nStudents use the secant and secant segment theorem to solve problems. In this calculus lesson, students identify where the secant line crosses on a circle. They create circles and secants using cabri software.\n
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Worksheet
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\n\"Geometric\n\n
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\nCurated OER\n
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\nGeometric Proof and Angles\n

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\n\nFor Students\n\n10th\n
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\nFor this geometry worksheet, 10th graders write two-column and paragraph proofs to prove angle pair relationships.  The one page worksheet contains five problems.  Answers are not included. \n
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Lesson Plan
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\n\"Bisectors\n\n
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\nCurated OER\n
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\nBisectors of Triangles\n

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\n\nFor Teachers\n\n10th\n
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\nIn this geometry worksheet, 10th graders solve problems involving the perpendicular bisectors and angle bisectors of a triangle and their points of concurrency.  The one page worksheet contains sixteen questions.  Answers...\n
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Lesson Plan
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\n\"Circle\n\n
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\nCurated OER\n
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\nCircle Conjectures\n

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\n\nFor Teachers\n\n9th - 11th\n\nStandards\n
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\nStudents are given diagrams and are asked to make a conjecture. In this geometry lesson plan, students make conjectures of circles. They complete a lab activity to reinforce making conjectures. The first activity addresses a common core...\n
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Lesson Plan
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\n\"Conjectures\n\n
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\nCurated OER\n
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\nConjectures of Intersecting Circles\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nStudents make conjectures of intersecting circles. In this geometry lesson, students observe circles and their position in space. They investigate and observe two and three dimensional objects.\n
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Lesson Plan
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\n\"Circle,\n\n
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\nCurated OER\n
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\nCircle, Secants\n

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\n\nFor Teachers\n\n9th - 11th\n
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\nStudents identify the secant segment of a circle. In this geometry instructional activity, students investigate secant lines formed outside the circle. They use Cabri software to create drawings and explore circles and secants.\n
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Lesson Plan
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\n\"Inscribed\n\n
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\nCurated OER\n
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\nInscribed Angles\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nStudents calculate the inscribed angle of a triangle. In this geometry lesson, students identify the angle created by intersection of a triangle and a circle. They see the relationship between the arc and the angle.\n
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Lesson Plan
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\n\"Exploring\n\n
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\nCurated OER\n
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\nExploring the Properties of Rectangular Prisms.\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nStudents 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.\n
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Lesson Plan
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\n\"Exploring\n\n
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\nCurated OER\n
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\nExploring Properties of Rectangular Prisms\n

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\n\nFor Teachers\n\n8th - 10th\n
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\nStudents explore the properties of rectangular prisms. In this geometry lesson, students identify properties of two and three dimensional shapes. They use Cabri technology to create polygons and solve problems.\n
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Lesson Plan
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\n\"Pythagorean\n\n
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\nCurated OER\n
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\nPythagorean Theorem: Triangles and Their Sides\n

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\n\nFor Teachers\n\n8th - 10th\n
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\nStudents investigate triangles and their relationship to each other. In this geometry lesson, students solve right triangles using the properties of the Pythagorean Theorem. They differentiate between right, acute, straight and oblique...\n
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Worksheet
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\n\"Linear\n\n
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\nLinear Quadratic Systems\n

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\n\nFor Students\n\n9th - 11th\n\nStandards\n
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\nIn this linear quadratic system worksheet, students explore a system with a linear and a quadratic equation. With the given equations, students graph the parabola. They identify the axis of symmetry, the slope, points of intersection,...\n
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Lesson Plan
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\n\"Linear\n\n
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\nCurated OER\n
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\nLinear and Locomotor Movements\n

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\n\nFor Teachers\n\n4th - 5th\n
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\nStudents develop locomotor movements. In this dance movement instructional activity, students identify lines and develop creativity while performing to \"Cha Cha Slide\". Students discuss how to create dances and difficulty of...\n
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