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\n\n12\nItems in Course\n\n
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\n\"Flipped\n\n
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\nLesson Planet Curated\n
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\nFlipped Math: Geometry\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nImagine taking a complete geometry course remotely! Eleven units make up the My Geometry course. Each unit follows the Flipped-Mastery cycle of learning, divided into two semesters. Pupils watch and take notes on a video that details the...\n
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\n\n11\nItems in Topic\n\n
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\n\"Farm\n\n
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\nFarm Printables Collection\n

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\n\nFor Teachers\n\nPre-K - 2nd\n
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\nTeach your class about the farm with the ABCmouse.com! This collection includes coloring pages, a word search, and color-by-numbers pages. Access these and thousands of other resources for Preschool through 2nd grade at...\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\n37\nItems in Unit\n\n
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\n\"Geometry\n\n
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\nLesson Planet Curated\n
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\nGeometry Unit 5: Quadrilaterals and Polygons\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nOne's knowledge of angles should measure up to expectations. Scholars watch a video to learn about angles in polygons. They first see how to partition a polygon into triangles to find the sum of the interior angle measures. They then...\n
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\n\n29\nItems in Unit\n\n
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\n\"Geometry\n\n
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\nLesson Planet Curated\n
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\nGeometry Unit 9: Area of Polygons\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nSix lessons make up the Geometry Unit 9: Area of Polygons unit module. Pupils review the formulas for finding the area of parallelograms and triangles. They apply previous learning of trigonometric ratios and the Pythagorean Theorem to...\n
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Instructional Video4:38
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\n\"Rhombus\n\n
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\nKhan Academy\n
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\nRhombus Diagonals, Quadrilaterals, Geometry\n

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\n\nFor Students\n\n9th - 10th\n
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\nDelving into proof that the diagonals of a rhombus are perpendicular to each other, this lecture evaluates the angles and sides of this figure. It would serve as a great test preparation activity.\n
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Assessment
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\n\"Rhombuses\n\n
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\nInside Mathematics\n
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\nRhombuses\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nJust what does it take to show two rhombuses are similar? The assessment task asks pupils to develop an argument to show that given quadrilaterals are rhombuses. Class members also use their knowledge of similar triangles to show two...\n
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Instructional Video5:15
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\nWhat is a Rhombus?\n

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\n\nFor Teachers\n\n5th - 8th\n
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\nA closed figure with four sides means it's a quadrilateral. Each of the different types of quadrilaterals have special properties. The instructor in this video explains the special properties of a rhombus. Parallel sides and congruent...\n
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\n\"Parallel\n\n
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\nCurated OER\n
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\nParallel and Perpendicular Lines and Lines of Symmetry: Rhombus Shadowing\n

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\n\nFor Teachers\n\n5th\n
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\nFifth graders demonstrate different types of lines using movement. In this line and movement instructional activity, 5th graders demonstrate parallel and perpendicular lines, and lines of symmetry using dance movement. They also...\n
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Instructional Video17:37
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\n\"Conditions\n\n
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\nFlipped Math\n
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\nConditions for Rectangles, Rhombuses and Squares\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nHere's a special lesson about some special parallelograms. The fifth of seven parts in the Geometry - Quadrilaterals and Polygons unit focuses on the conditions for rectangles, rhombuses, and squares. Young mathematicians use these...\n
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Instructional Video12:49
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\n\"Properties\n\n
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\nProperties of Rectangles, Rhombuses and Squares\n

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\n\nFor Students\n\n9th - 12th\n
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\nThey're all parallelograms—but unique in their own special ways. Pupils view an instructional video to investigate the properties of rectangles, rhombuses, and squares. They use these properties to solve for missing sides or angles,...\n
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\n\"Developing\n\n
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\nCurated OER\n
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\nDeveloping Formulas for Triangles and Quadrilaterals \n

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\n\nFor Teachers\n\n10th\n
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\nIn this geometry worksheet, 10th graders determine the area of triangles, parallelograms, trapezoids, kites, and rhombuses. The one page worksheet contains eleven problems. Answers are included.\n
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\n\"Naming\n\n
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\nCurated OER\n
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\nNaming Polygons\n

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\n\nFor Students\n\n3rd - 4th\n\nStandards\n
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\nWhat polygon is this? Young geometers categorize shapes by circling all the quadrilaterals in a set of figures. Next, they write the names of 10 polygons using a visual guide as reference. Review the guide together before they start if...\n
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\n\"Naming\n\n
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\nNaming Quadrilaterals\n

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\n\nFor Students\n\n3rd\n
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\nScholars examine six common quadrilaterals and identify each by writing its name beneath the shape. Next, they sketch four shapes: parallelogram, rectangle, rhombus, and trapezoid. Once finished, review which features helped...\n
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Worksheet
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\n\"Understanding\n\n
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\nCurated OER\n
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\nUnderstanding Categories of Shapes\n

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\n\nFor Students\n\n2nd - 3rd\n
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\nWhat are these shapes? Here are four shapes with some common attributes: they each have four parallel sides and four vertices. Scholars identify a rectangle, rhombus, square, and quadrilateral. Because there is an explanation written...\n
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Worksheet
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\n\"Understanding\n\n
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\nUnderstanding Categories of Shapes\n

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\n\nFor Students\n\nK - 3rd\n
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\nWhat are these shapes? Scholars match seven shapes to their names: rhombus, sphere, square, cone, circle, triangle, and parallelogram. Although there isn't much to this activity, the shapes are nicely colored and it would...\n
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Instructional Video11:03
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\n\"How\n\n
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\nCurated OER\n
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\nHow Do You Classify Quadrilaterals?\n

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\n\nFor Teachers\n\n3rd - 7th\n
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\nA rectangle, a rhombus, a square, a trapezoid, and a parallelogram, are these quadrilaterals? What are the criteria that make and shape a quadrilateral? It has something to do with parallel sides, congruent sides, and congruent angles....\n
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Instructional Video4:21
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\n\"Area\n\n
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\nCK-12 Foundation\n
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\nArea and Perimeter of Rhombuses and Kites: Lesson\n

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\n\nFor Students\n\n6th - 10th\n\nStandards\n
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\nFlip the triangles up and create a parallelogram. Using the idea of transformations, the video develops the area formula for rhombi and kites. The segment of an extensive geometry playlist uses the formula to find the areas of different...\n
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Instructional Video7:17
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\n\"What\n\n
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\nCurated OER\n
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\nWhat is a Parallelogram?\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nA rectangle, a rhombus, a square, a trapezoid - are any of these a parallelogram? What are the criteria that make a shape a parallelogram? It has something to do with parallel sides, congruent sides, and congruent angles. Help your young...\n
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Worksheet
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\n\"Area\n\n
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\nCurated OER\n
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\nArea of Rhombus\n

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\n\nFor Students\n\n4th - 5th\n
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\nIn this area of rhombus worksheet, students find the area of rhombus whose diagonals are given, 4 total. Work space is provided. Answers are included on page 2.\n
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Worksheet
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\n\"Quadrilaterals\n\n
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\nQuadrilaterals\n

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\n\nFor Students\n\n10th\n
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\nIn this quadrilaterals instructional activity, 10th graders solve and complete 22 various types of problems. First, they state the specific name for each shape illustrated. Then, students use the properties of a rhombus, rectangle, or...\n
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Worksheet
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\n\"Properties\n\n
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\nProperties of Quadrilaterals\n

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\n\nFor Students\n\n9th - 11th\n
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\nIn this properties of quadrilaterals worksheet, students use the properties of quadrilaterals to find the perimeter, angle measurement or length of a missing side of a given polygon. Examples and explanations of the properties are...\n
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\n\"Transformations\n\n
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\nTransformations and Congruence\n

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\n\nFor Students\n\n10th\n
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\nIn this transformations and congruence worksheet, 10th graders solve and complete 5 different types of problems. First, they calculate the length of a line giving their answer in 3 significant figures. Then, students prove that two...\n
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\n\"Right\n\n
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\nCurated OER\n
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\nRight Triangles\n

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\n\nFor Students\n\n10th\n
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\nIn this right triangles worksheet, 10th graders solve and complete 14 various types of problems. First, they find the perimeter of the isosceles trapezoid shown. Then, students find the measures of each marked side of a right triangle....\n
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