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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\"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\n46\nItems in Topic\n\n
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\n\"Crash\n\n
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\nLesson Planet Curated\n
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\nCrash Course: Physics\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nDr. Shini Somara narrates a 46-video Crash Course Physics course based on the 2016 AP Physics I and II curriculum. Topics covered include linear, circular, rotational, simple harmonic, 2D motion, derivatives, integrals, vectors, Newton’s...\n
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\n\"DoodleScience:\n\n
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\nLesson Planet Curated\n
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\nDoodleScience: A-Level Physics\n

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\n\nFor Students\n\n9th - 12th\n
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\nDoodle Science A-Level Physics presents six fast-paced, short videos that provide a quick review of physics concepts. Covered topics include Newton’s Laws of Motion, Conservation of Momentum, Circular Motion, Gravitational Fields, Simple...\n
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Lesson Plan
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\n\"What\n\n
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\nWest Contra Costa Unified School District\n
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\nWhat Is a Radian?\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nHere's an algebra II activity that strives to make the concept of a radian less abstract and more conceptual. It takes a hands-on approach to exploring the idea of a radian and allows individuals to develop a definition of a...\n
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Lesson Plan
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\n\"Radians:\n\n
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\nAlabama Learning Exchange\n
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\nRadians: Just Another Way\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nServe up angle measurements on paper plates. Pupils use paper plates and paper-folding techniques to create a unit circle with conversions for special angles. Using their plates, learners explore the relationship between angle...\n
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Worksheet
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\n\"Basic\n\n
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\nUniversity of Adeaide\n
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\nBasic Trigonometry and Radians\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nA fabulous set of examples and problems that introduce basic trigonometry concepts, this packet is set apart by the care it takes to integrate both radians and degrees into the material. After defining radians, the author demonstrates...\n
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Interactive
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\n\"Six\n\n
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\nCK-12 Foundation\n
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\nSix Trigonometric Functions and Radians: Degrees to Radians and Back Again!\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\nHow do degrees relate to radians? The interactive allows pupils to manipulate the size of an angle in a unit circle to help see that relationship. Users determine the radian measure for given degree measures of angles, realizing the...\n
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Interactive
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\n\"Radian\n\n
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\nCK-12 Foundation\n
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\nRadian Measure: Unit Circle Conversions\n

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\n\nFor Students\n\n10th - 12th\n
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\nIndividuals investigate the relationship between radian and angle measurements by using an interactive to find the angle measurement for given radian measures. Users answer questions to convert between the two measurements.\n
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Interactive
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\n\"Conversions\n\n
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\nCK-12 Foundation\n
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\nConversions between Degrees and Radians: Charting Hours in the Day\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\nForget hours, divide the day into radians instead. Class members convert the angles in a pie chart of daily activities into radian measures. They add angle measures for multiple activities then determine a relationship between the radian...\n
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Interactive
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\n\"Rotations\n\n
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\nCK-12 Foundation\n
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\nRotations in Radians: Clock Conundrum\n

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\nPupils use an interactive clock to set specific times. They apply math to an everyday task as they determine the measure of the angle formed by the hands in degrees and in radians. \n
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Instructional Video25:49
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\n\"Unit\n\n
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\nFlipped Math\n
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\nUnit Circle and Radians\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nMeasure angles is easy as pi. Pupils review special right triangles to find exact values for trigonometric functions. Scholars learn about radians and how they connect to measurements in degrees. They find exact and approximate values of...\n
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Instructional Video21:00
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\n\"Radian\n\n
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\nBrightstorm\n
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\nRadian Measure of Angles\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\nDegrees are not the only way to measure an angle! The third lesson in a four-part series introduces the definition of a radian. The problem videos use the definition to solve problems including converting between degrees and...\n
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Instructional Video1:59
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\n\"Radian\n\n
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\nBrightstorm\n
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\nRadian Measure of Angles - Concept\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nAn informative lesson begins with a concept video explaining how radians are figured. Then it offers videos of four progressively difficult guided practice problems.\n
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Lesson Plan
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\n\"Radian\n\n
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\nCurated OER\n
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\nRadian Measure\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nYoung mathematicians identify central angles, arcs and radius of circles in this pre-calculus instructional activity. They identify the proportion of the circle based on its radius while they convert between degrees and radians...\n
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Interactive
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\n\"Conversion\n\n
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\nCK-12 Foundation\n
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\nConversion between Degrees and Radians: Clock Angles and Measures\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\nIt's 3:30, what radian is it? Pupils create clock angles on a clock and determine the radian measure to the minute hand. They then use a conversion factor to convert from one measurement to another.\n
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Interactive
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\n\"Conversion\n\n
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\nCK-12 Foundation\n
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\nConversion between Degrees and Radians: Arc and Radians Relationship\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\nHow are arc lengths and radians related? An interactive resource demonstrates the relationship as pupils create arc lengths in a unit circle and compare them to the angle measurements. Questions ask individuals to build upon this...\n
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Performance
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\n\"Discover\n\n
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\nRadford University\n
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\nDiscover Radians!\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nNo need for radians to be mysterious. Scholars use a cardboard cut-out of a unit circle and measure the radius and circumference using a piece of string. They consider the number of radii needed to cover the entire circumference and use...\n
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Worksheet
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\n\"Radian\n\n
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\nCurated OER\n
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\nRadian Measures\n

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\n\nFor Students\n\n8th - 10th\n
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\nFor this math worksheet, students determine the radian measures for the different fractions or angles for the circles. Then students apply the knowledge to an advanced word problem in number 13.\n
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Worksheet
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\n\"Radian\n\n
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\nRadian Measure\n

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\n\nFor Students\n\n11th - 12th\n
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\nIn this Algebra II/Pre-calculus worksheet, students explore radian measure of an angle and convert between degree and radian measure. The seven page worksheet contains explanation, examples, and nineteen multi-part problems. Answers are...\n
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Worksheet
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\n\"The\n\n
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\nCurated OER\n
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\nThe Radian Walk\n

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\n\nFor Students\n\n10th - 12th\n
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\nStudents play a game to learn angle measures in radians. In this precalculus/trigonometry activity, students play a game similar to a cake walk. When the music stops, which ever student is selected, names his/her coordinates and place on...\n
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Worksheet
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\n\"Radian\n\n
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\nCurated OER\n
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\nRadian to Degree Conversion Worksheet\n

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\n\nFor Students\n\n5th - 6th\n
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\nIn this online interactive problem solving activity, students practice converting 20 radian numbers to degree numbers. Students record their answers in the boxes provided and then submit their answers online to be graded.\n
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Lesson Plan
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\n\"Awkward!\n\n
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\nEngageNY\n
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\nAwkward! Who Chose the Number 360, Anyway?\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\nDon't give your classes the third degree. Use radians instead! While working with degrees, learners find that they are not efficient and explore radians as an alternative. They convert between the two measures and use radians with the...\n
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Handout
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\n\"Graphs\n\n
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\nChapman University\n
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\nGraphs of the Sine and Cosine Function in Radians\n

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\n\nFor Teachers\n\n10th - 12th\n
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\nThis bright, clear, graphical display of the sin(x) and cos(x) functions spans the domain between -2 pi radians and 2 pi radians. Use it as a poster, handout, presentation slide, or project it onto a...\n
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