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\n\"Geometry\n\n
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\nLesson Planet Curated\n
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\nGeometry Unit 3: Parallel and Perpendicular Lines\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nThe Geometry Unit 3: Parallel and Perpendicular Lines Unit Module contains seven lessons, each with a video, teacher reference, practice packets and solutions, and corrective assignments. In the first lesson, pupils learn eight...\n
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\n\n10\nItems in Unit\n\n
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\n\"Utah\n\n
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\nLesson Planet Curated\n
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\nUtah Middle School Math Project: 8th Grade\n

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\n\nFor Students\n\n8th\n\nStandards\n
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\nPrepare eighth graders for high school math and science classes with a collection of 10 lessons that help tweens make the transition from acquiring basic knowledge to applying it in more complex situations. These Common Core-aligned...\n
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\n\n12\nItems in Topic\n\n
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\n\"Math\n\n
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\nLesson Planet Curated\n
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\nMath Antics Geometry Video Lessons\n

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\n\nFor Teachers\n\n4th - 8th\n\nStandards\n
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\nThe point of this collection of 12 videos is to introduce learners to three basic parts of geometry—points, lines, and planes. The presenter provides definitions, shows how to classify shapes, provides examples, and shows how to use...\n
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\n\"Classifying\n\n
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\nMathematics Assessment Project\n
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\nClassifying Equations of Parallel and Perpendicular Lines\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nParallel parking might be difficult, but finding parallel lines is fairly simple. In this lesson, learners first complete an assessment task involving parallel and perpendicular lines in the coordinate plane. Individuals then take part...\n
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\n\"Parallel\n\n
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\nEngageNY\n
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\nParallel and Perpendicular Lines\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nUse what you know about parallel and perpendicular lines to write equations! Learners take an equation of a line and write an equation of a line that is parallel or perpendicular using slope criteria. They then solve problems to...\n
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Instructional Video5:17
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\n\"Unit\n\n
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\nFlipped Math\n
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\nUnit 3 Review: Parallell and Perpendicular Lines\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nLearners watch a quick review on the Parallel and Perpendicular Lines unit. The pupils work through ten review problems ranging from identifying types of angles formed by parallel lines and transversals to writing equations of parallel...\n
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Unit Plan
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\n\"Module\n\n
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\nMathematics Vision Project\n
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\nModule 6: Connecting Algebra and Geometry\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nA geometry module connects algebraic reasoning to geometry. It challenges scholars to investigate the slope criteria for parallel and perpendicular lines, prove theorems involving coordinate geometry, and write equations for circles and...\n
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\n\"Connecting\n\n
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\nMathematics Vision Project\n
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\nConnecting Algebra and Geometry\n

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\n\nFor Teachers\n\n9th - 10th\n\nStandards\n
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\nConnect algebra and geometry on the coordinate plane. The eighth unit in a nine-part integrated course has pupils develop the distance formula from the Pythagorean Theorem. Scholars prove geometric theorems using coordinates...\n
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Instructional Video3:58
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\n\"Distance\n\n
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\nCK-12 Foundation\n
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\nDistance Between Parallel Lines: Lesson\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nRely on slope when counting won't do. Using horizontal and vertical parallel lines, the presentation shows scholars how to find the distance by counting. The video uses the relationship of the slopes of perpendicular lines to find two...\n
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Unit Plan
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\n\"Transformations\n\n
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\nMathematics Vision Project\n
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\nTransformations and Symmetry\n

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\n\nFor Teachers\n\n9th - 10th\n\nStandards\n
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\nFlip, turn, and slide about the coordinate plane. Pupils define the rigid motions and experiment with them before determining the relationships of the slopes of parallel and perpendicular lines. The sixth unit in a nine-part series...\n
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Lesson Plan
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\n\"Shortest\n\n
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\nIllustrative Mathematics\n
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\nShortest Line Segment from a Point P to a Line L\n

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\n\nFor Teachers\n\n9th - 11th\n\nStandards\n
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\nOne of the hardest skills for many young geometers to grasp is to move beyond just declaring obvious things true, and really returning to fundamental principles for proof. This brief exercise stretches those proving muscles as the...\n
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\n\"Criterion\n\n
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\nEngageNY\n
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\nCriterion for Perpendicularity\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nThe Pythagorean Theorem is a geometry pupil's best friend! Learners explain the equation a1b1 + a2b2 = 0 for perpendicular segments using the Pythagorean Theorem. They are able to identify perpendicular segments using their...\n
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Unit Plan
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\n\"Module\n\n
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\nMathematics Vision Project\n
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\nModule 7: Connecting Algebra and Geometry\n

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\n\nFor Teachers\n\n8th - 10th\n\nStandards\n
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\nThe coordinate plane links key geometry and algebra concepts in this approachable but rigorous unit. The class starts by developing the distance formula from the Pythagorean Theorem, then moves to applications of slope. Activities...\n
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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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\n\"Connecting\n\n
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\nCurated OER\n
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\nConnecting Algebra and Geometry Through Coordinates\n

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\n\nFor Teachers\n\n9th - 10th\n\nStandards\n
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\nThis 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,...\n
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\n\"Segments\n\n
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\nEngageNY\n
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\nSegments That Meet at Right Angles\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nCan segments be considered perpendicular if they don't intersect? Learners look at nonintersecting segments on the coordinate plane and make conclusions about the lines that contain those segments. They determine if they are...\n
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Unit Plan
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\n\"Transformations\n\n
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\nCurated OER\n
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\nTransformations in the Coordinate Plane\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nYour learners connect the new concepts of transformations in the coordinate plane to their previous knowledge using the solid vocabulary development in this unit. Like a foreign language, mathematics has its own set of vocabulary terms...\n
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\n\"Arcs\n\n
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\nCurated OER\n
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\nArcs and Chords\n

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\n\nFor Students\n\n10th\n
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\nIn this arcs and chords instructional activity, 10th graders solve 6 different problems related to determining the arcs and chords of various circles. First, they define the 3 theorems that state the relationships between arcs, chords,...\n
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\n\"Applications\n\n
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\nCurated OER\n
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\nApplications of Properties of Quadrilaterals in the Coordinate Plane\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nStudents explore the concept of quadrilaterals. In this quadrilaterals lesson, students use the slope formula, midpoint formula, and distance formula to justify that a given quadrilateral is a parallelogram. \n
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\n\"Graphing\n\n
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\nAlabama Learning Exchange\n
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\nGraphing Stations\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nStudents 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...\n
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\n\"Tangents,\n\n
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\nCurated OER\n
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\nTangents, Secants, and Chords\n

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\n\nFor Students\n\n10th\n
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\nIn this tangents, secants and chords instructional activity, 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...\n
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Printables
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\n\"High\n\n
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\nVirginia Department of Education \n
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\nHigh School Mathematics Geometry Vocabulary Word Wall Cards\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nHaving a good working knowledge of math vocabulary is especially important for geometry learners. Here are 119 pages worth of wonderfully constructed definitions, constructions, formulas, properties, theorems, and postulates. This is a...\n
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\n\"Properties\n\n
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\nCurated OER\n
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\nProperties of Geometry\n

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\nFor this properties of geometry worksheet, 10th graders solve and complete 12 different problems that include various theorems. First, they draw a figure that illustrates the SAS inequality property. Then, students prove that two line...\n
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\n\"Proving\n\n
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\nCurated OER\n
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\nProving Lines Parallel\n

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\nIn this proving lines parallel worksheet, 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, students...\n
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