{"results":"
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\n\n30\nItems in Unit\n\n
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\n\"Geometry\n\n
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\nGeometry Unit 7: Right Triangles\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nSix lessons comprise the Geometry Unit 7: Right Triangles unit module. In the first lesson, pupils review the Pythagorean Theorem and determine how to use the converse to determine whether a triangle is right, obtuse, or acute. Next,...\n
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\n\n24\nItems in Unit\n\n
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\n\"Geometry\n\n
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\nGeometry Unit 4: Triangle Congruence\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nThe Geometry Unit 4: Triangle Congruence unit module contains five lessons—each with a video, teacher reference, practice packets, solutions, and corrective assignments. To begin, scholars review the types of triangles, then investigate...\n
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\n\n12\nItems in Topic\n\n
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\n\"Getting\n\n
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\nGetting into Trig\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nStarting with right triangles (SOH-CAH-TOA) and working up to the concept of radians, this collection introduces students to trigonometric ratios and supports them in learning to evaluate trigonometric functions.\n
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\n\n12\nItems in Course\n\n
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\n\"Flipped\n\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\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\n29\nItems in Unit\n\n
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\n\"Geometry\n\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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\n\n10\nItems in Topic\n\n
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\n\"Mathematics\n\n
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\nMathematics Vision Project: Interactive Applets\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nReady, set, go! The Mathematics Vision Project provides a collection of 10 Interactive Applets that follow the progression of learning—to practice, develop, and solidify understanding. The interactives use engaging materials that include...\n
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\n\n12\nItems in Unit\n\n
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\n\"Common\n\n
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\nLesson Planet Curated\n
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\nCommon Core Algebra 2, Unit 9\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nFlip your classroom, or offer engaging visual aids to your lessons with a series of videos that explore the concept of trigonometry. After an introduction to the topic, high schoolers investigate reference triangles, unit circles, and...\n
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\n\n3\nItems in Topic\n\n
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\n\"Grade\n\n
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\nLesson Planet Curated\n
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\nGrade 9-12, Claim 2 & 4: Problem Solving & Communication Reasoning Supports\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nSmall but mighty, a collection of three resources features presentation slides that prepare high schoolers for the Smarter Balanced assessment. Claim 2 features problem solving questions drawn from all content areas. Claim 3 focuses on...\n
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\n\n10\nItems in Topic\n\n
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\n\"Grade\n\n
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\nLesson Planet Curated\n
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\nGrade 8, Claim 1: Concepts and Procedures Item Slide Shows\n

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\n\nFor Teachers\n\n8th\n\nStandards\n
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\nTen resources make up a collection of student and teacher-friendly slides that prepare eighth graders for the Smarter Balance assessment. Learners review rational and irrational numbers, convert repeating decimals to fractions, as well...\n
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Instructional Video2:49
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\nHow Do You Determine if a Triangle Is a Right Triangle if You Know its Sides?\n

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\n\nFor Teachers\n\n6th - 10th\n
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\nUse the Pythagorean Theorem formula to check if this given triangle, with the given lengths of each side, is a right triangle. It's as simple as plugging the given values into the formula and doing the math to see if the solution checks...\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video2:12
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\nWhat are the Legs and Hypotenuse of a Right Triangle?\n

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\n\nFor Teachers\n\n6th - 10th\n
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\nWhat are all the parts of a right triangle called? What makes it a right triangle? Legs? Triangles have legs? Hypotenuse? Pythagorean Theorem? The instructor diagrams and identifies all the parts of a right triangle for you.\n
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Instructional Video2:47
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\nHow Do You Find the Sine of an Angle in a Right Triangle?\n

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\n\nFor Teachers\n\n7th - 11th\n
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\nA trigonometric ratio is a ratio between two sides of a right triangle. In this problem, find sin(A) in the given right triangle. Use the ratio of the opposite side over the hypotenuse.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video5:07
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\nHow Do You Find a Missing Side of a Right Triangle Using Cosine?\n

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\n\nFor Teachers\n\n6th - 11th\n
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\nTrigonometry? What's trigonometry. Well, something to do with triangles, right? Right! Right triangles! In this problem, find the missing length of one of the sides. So set this up as a ratio: cosine(A) = adjacent side length divided by...\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video3:45
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\n\"Special\n\n
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\nCK-12 Foundation\n
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\nSpecial Right Triangle 45-45-90: Lesson\n

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\n\nFor Students\n\n8th - 11th\n
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\nSquare roots connect squares and right triangles. Using the Pythagorean Theorem, the video shows the relationship between the sides and hypotenuse of a 45-45 right triangle. The portion of a larger geometry playlist applies the...\n
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Interactive
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\n\"Pythagorean\n\n
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\nCK-12 Foundation\n
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\nPythagorean Theorem for Solving Right Triangles: Solving the Triangle\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nObserve the change in the trigonometric ratios as angles vary. An interactive provides the values of trigonometric ratios for both acute angles in a right triangle. Pupils create a right triangle to match given criteria and find the...\n
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Lesson Plan
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\nVirginia Department of Education \n
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\nSpecial Right Triangles and Right Triangle Trigonometry\n

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\n\nFor Teachers\n\n9th - 11th\n\nStandards\n
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\nRight triangles are so special! Use special right triangles to discover the trigonometric ratios. Pairs construct special right triangles and find the values of the ratios of the sides. In the process, they discover the ratios stay the...\n
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Instructional Video3:40
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\nHow Do You Find Missing Angles in an Isosceles Triangle Using Right Triangles?\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nGiven an isosceles triangle, and the value of one angle, find the missing values. There are some special properties about isosceles triangles. Use the triangle sum theorem to solve this problem. Watch this video to see how the instructor...\n
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Instructional Video3:21
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\nHow Do You Find the Cosine of an Angle in a Right Triangle?\n

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\n\nFor Teachers\n\n7th - 11th\n
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\nWhat's a trigonometric ratio? It is a ratio between two sides of a right triangle. In this problem, find cosine(A) in the given right triangle. Use the ratio of the adjacent side divided by the hypotenuse to find cos(A). The instructor...\n
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Instructional Video3:13
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\nHow Do You Find the Tangent of an Angle in a Right Triangle?\n

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\n\nFor Teachers\n\n6th - 11th\n
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\nWhat's a trigonometric ratio? It is a ratio between two sides of a right triangle. In this problem, find tangent(A) in the given right triangle. Use the ratio of the opposite side divided by the adjacent side to find tan(A). The...\n
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Instructional Video3:34
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\nHow Do You Find a Missing Angle in a Right Triangle?\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nThe triangle sum theorem states that the interior angles of a triangle add up to 180 degrees. So it seems logical that if there are two known values given for the interior angles of a triangle, the third value could be found using this...\n
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Instructional Video5:06
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\nHow Do You Find a Missing Side of a Right Triangle Using Tangent?\n

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\n\nFor Teachers\n\n6th - 11th\n
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\nIdentify the variables, identify the given values and use a formula to find the missing length in this right triangle problem. What formula? The tangent ratio, which is normally used to show a ratio between two sides of a right triangle,...\n
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Instructional Video4:09
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\nHow Do You Find the Length of a Leg of a Right Triangle?\n

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\n\nFor Teachers\n\n6th - 9th\n
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\nA right triangle. Two given measurements for two side lengths and one unknown length. Use the Pythagorean theorem to solve this problem and find the missing value. Squares and square roots are used in this problem and don't worry when...\n
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Instructional Video9:40
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\n\"Intro\n\n
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\nKhan Academy\n
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\nIntro to 30-60-90 Triangles, Right Triangles and Trigonometry, Geometry\n

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\n\nFor Students\n\n9th - 10th\n
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\nAs the fourth part of a series on the Pythagorean Theorem, Sal continues an exploration of the ways to calculate the length of sides of a right triangle using algebra. He also used this theorem to solve problems involving a right...\n
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\n\nGet Free Access\n\nSee Review\n
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