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\n\"Classifying\n\n
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\nClassifying Triangles Using Sides\n

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\n\nFor Students\n\n4th - 5th\n
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\nIn this geometry worksheet, students answer 8 fill in the blank questions where they must examine 5 different complex geometric figures to classify triangles.\n
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Lesson Plan
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\n\"Study\n\n
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\nStudy Buddies: Classifying Triangles\n

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\n\nFor Teachers\n\n4th - 5th\n
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\nIn this math worksheet, students analyze an informative chart about the measurement and angles of equilateral, isosceles and scalene triangles. Students then answer 5 questions about classifying triangles.\n
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\n\"Classify\n\n
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\nCurated OER\n
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\nClassify Triangles\n

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\n\nFor Students\n\n4th - 7th\n
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\nHere is a classifying triangles practice worksheet in which learners sharpen their problem solving skills as they solve six story problems.\n
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Lesson Plan
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\n\"The\n\n
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\nCurated OER\n
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\nThe Pythagorean Theorem and Classifying Triangles\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nThrough the examination of the relationship between the lengths of the sides of a triangles students will learn the classification of triangles (acute, right, or obtuse).\n
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Instructional Video4:55
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\n\"Classifying\n\n
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\nCK-12 Foundation\n
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\nClassifying Triangles: Lesson\n

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\n\nFor Students\n\n4th - 8th\n\nStandards\n
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\nThat's correct, it is right and scalene. The video introduces the two methods for classifying triangles, sides, and angles. A resource in the playlist for basic geometry provides the definitions for each of the classifications.\n
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\n\"Classifying\n\n
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\nCurated OER\n
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\nClassifying Triangles\n

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\n\nFor Students\n\n8th - 10th\n
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\nIn this classifying triangles instructional activity, students explore given lengths or angle measurements and then classify each triangle as isosceles, scalene or equilateral. They also determine if the triangle may be right, acute or...\n
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\n\"Classifying\n\n
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\nNational Security Agency\n
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\nClassifying Triangles\n

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\n\nFor Teachers\n\n4th - 8th\n\nStandards\n
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\nBuilding on young mathematicians' prior knowledge of three-sided shapes, this lesson series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy...\n
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Interactive1:45
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\n\"Study\n\n
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\nStudy Jams! Classify Triangles\n

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\n\nFor Students\n\n5th - 8th\n\nStandards\n
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\nJam on with this multi-faceted activity teaching triangle classification. Start with a learner-paced lesson describing the different qualities of triangles and follow with a fun karaoke session. Also provided are two types...\n
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Worksheet
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\n\"Classifying\n\n
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\nClassifying Triangles Worksheet 2\n

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\n\nFor Students\n\n4th - 8th\n
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\nIn this classifying triangles worksheet, students classify triangles as either scalene, isosceles, or equilateral. Students complete 9 problems.\n
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\n\"Classifying\n\n
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\nClassifying Triangles\n

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\nIn this classifying triangles learning exercise, 6th graders write the type of triangle, acute, right or obtuse, for 9 pictures of triangles, answers included.\n
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Lesson Plan
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\n\"Classifying\n\n
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\nDigging Into Math\n
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\nClassifying Triangles\n

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\n\nFor Teachers\n\n4th - 8th\n\nStandards\n
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\nYoung mathematicians explore the world of three-sided shapes in this lesson on the different types of triangles. Starting with a general introduction to classification using Venn diagrams, children learn how to categorize triangles...\n
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Lesson Plan
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\n\"Lines\n\n
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\nIllustrative Mathematics\n
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\nLines of Symmetry for Triangles\n

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\n\nFor Teachers\n\n3rd - 5th\n\nStandards\n
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\nWhat can symmetry tell us about triangles? After looking at four examples, learners will come to realize that lines of symmetry are different for equilateral, isosceles, and scalene triangles. Use this guided practice activity as an...\n
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PPT
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\n\"Classifying\n\n
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\nClassifying Triangles\n

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\n\nFor Teachers\n\n3rd - 5th\n
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\nIf you're looking for a presentation to assist you in your teaching of triangles, this one could be for you. In it, learners are shown how triangles are classified by the size of their angles and by their sides. These are tricky concepts...\n
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PPT
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\n\"Classifying\n\n
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\nCurated OER\n
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\nClassifying Triangles\n

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\n\nFor Teachers\n\n5th - 7th\n
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\nThis presentation shows how triangles are classified by angle measurement and length of sides.  It reviews isosceles, scalene, obtuse, right, and acute classifications and includes questions for students to classify some of the...\n
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Worksheet
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\n\"Classifying\n\n
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\nCurated OER\n
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\nClassifying Triangles\n

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\n\nFor Students\n\n10th\n
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\nIn this classifying triangles worksheet, 10th graders solve 6 different problems related to the classification of triangles either by their angles or by their sides. First, they use a protractor and a ruler to draw triangles using the...\n
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Worksheet
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\n\"Classifying\n\n
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\nClassifying Triangles\n

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\nIn this classifying triangles instructional activity, 10th graders solve 9 various problems that classify triangles into categories. First, they refer to the figure shown of an isosceles triangle with two line parallel. Then, students...\n
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Worksheet
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\n\"Classifying\n\n
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\nK12 Reader\n
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\nClassifying Triangles\n

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\n\nFor Students\n\n2nd - 3rd\n\nStandards\n
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\nBring math and reading informational text together with a reading comprehension lesson. After kids read about isosceles, scalene, and equilateral triangles, they answer five comprehension questions to demonstrate how they can use context...\n
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Interactive
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\n\"Pythagorean\n\n
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\nPythagorean Theorem to Classify Triangles: Missing Angles\n

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\n\nFor Students\n\n8th - 12th\n\nStandards\n
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\nLearn to use the Pythagorean Theorem with non-right triangles. Pupils use the interactive to discover the relationship between the lengths of sides for acute and obtuse triangles. They compare the squares of the sides of the triangles to...\n
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Worksheet
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\n\"Classifying\n\n
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\nClassifying Triangles\n

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\nIn this classifying triangles worksheet, 10th graders solve 12 different problems that include classifying various types of triangles. They classify and then identify each of the given triangles as isosceles, scalene, or equilateral....\n
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Worksheet
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\n\"Classifying\n\n
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\nClassifying Triangles\n

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\n\nFor Students\n\n10th\n
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\nFor this classifying triangles worksheet, 10th graders solve and complete 11 different types of problems. First, they state whether each segment shown is an altitude, median, or neither. Then, students solve for x and find the requested...\n
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Instructional Video7:15
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\nHow Do You Classify Triangles?\n

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\n\nFor Teachers\n\n5th - 10th\n
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\nTriangles are classified by their angle measurement as well as by the length of their sides. Here are some names that identify the types of triangles: isosceles, equilateral, scalene, obtuse, and acute. Watch this video to learn about...\n
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\n\"Classifying\n\n
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\nClassifying Triangles by the Length of the Sides Using Cabri Jr.\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nLearners follow detailed directions to create triangles on their graphing calculator. In this properties of triangles lesson plan, they will create triangles on their calculators using the Cabri Jr. application. They then identify three...\n
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Lesson Plan
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\n\"Classifying\n\n
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\nClassifying Triangles Based On Properties of Angles\n

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\n\nFor Teachers\n\n5th\n\nStandards\n
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\nThe interactive lesson featured here calls for the use of a Smartboard for sorting and classifying shapes. Then, pupils discuss the rules they followed for sorting their shapes, particularly focusing on the properties of angles. While...\n
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Instructional Video3:35
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\n\"Applications\n\n
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\nApplications of the Pythagorean Theorem: Lesson\n

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\n\nFor Students\n\n8th - 11th\n\nStandards\n
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\nThe Pythagorean Theorem works for something other than right triangles; show your class all it can do. Using information from the Pythagorean Theorem, the video shows how to determine whether a triangle is an acute or obtuse triangle....\n
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