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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\n6\nItems in Assessment Set\n\n
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\n\"Mathematics\n\n
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\nMathematics Assessment Project: Tests for College & Career Readiness - High School\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nA collection of six tests are designed to assess the College and Career Readiness of high school algebra I, algebra II, geometry, and statics and probability learners. Each assessment includes the test form and scoring and comes in 40,...\n
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\n\n29\nItems in Topic\n\n
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\n\"Krista\n\n
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\nLesson Planet Curated\n
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\nKrista King Math: Pre-Calculus\n

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\n\nFor Students\n\n11th - Higher Ed\n\nStandards\n
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\nA precalculus playlist of 29-videos demonstrates the processes and includes step-by-step explanations of functions. The collection includes inverse trig functions, polar coordinates, graphing polar curves, parametric curves, analytic...\n
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\n\n34\nItems in Assessment Set\n\n
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\n\"Balanced\n\n
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\nLesson Planet Curated\n
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\nBalanced Assessment: Basic High School Packet\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nSeventeen short assessments are designed to test scholars’ knowledge of basic Algebra 1 concepts. Pupils determine the houses that are a given maximum distance from a school, complete charts to show equivalent scale factors, and...\n
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\n\n38\nItems in Assessment Set\n\n
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\n\"Balanced\n\n
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\nLesson Planet Curated\n
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\nBalanced Assessment: Exemplar High School Packet\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nThe Exemplar High School Balanced Packet is a collection of 19 assessment tasks designed to test scholars’ knowledge of Algebra 1 concepts. Learners create graphs that represent how things change over time, build functions to model...\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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\n\n26\nItems in Unit\n\n
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\n\"Geometry\n\n
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\nGeometry Unit 11: Circles\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nThe five resources in the Geometry Unit 11: Circles Unit Module are designed for the flipped classroom. Pupils watch videos that show how to apply concepts about circles, tangents, congruent chords and arcs, and intercepting arcs....\n
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\n\n20\nItems in Assessment Set\n\n
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\n\"High\n\n
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\nLesson Planet Curated\n
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\nHigh School Balanced Packet 2 Assessment Tasks\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nGood assessments can be hard to find and difficult to formulate. Designed as a collection of mathematics assessment tasks, the 20 resources in this packet can also be used as lesson openers, a review, or extra practice. The open-ended...\n
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\n\n9\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 7, Claim 1: Concepts and Procedures Item Slide Shows\n

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\n\nFor Teachers\n\n7th\n\nStandards\n
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\nPrepare seventh graders for end-of-year assessments with a collection of nine resources packed with teacher and student-friendly slides featuring problems that address the A-I competencies. Questions are modeled after Smarter Balanced...\n
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\n\nGet Free Access\n
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\n\n38\nItems in Assessment Set\n\n
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\n\"Balanced\n\n
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\nLesson Planet Curated\n
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\nBalanced Assessment: Advanced High School Math Packet\n

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\n\nFor Teachers\n\n11th - 12th\n\nStandards\n
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\nNineteen resources make up the Balanced Assessment: Advanced High School Math Packet designed to test learners' knowledge in Algebra II, Geometry, and Pre-Calculus classes. To demonstrate their understanding of concepts related to these...\n
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Instructional Video3:43
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\n\"How\n\n
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\nHow Do You Find the Radius of a Circle if You Know the Circumference?\n

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\n\nFor Teachers\n\n5th - 8th\n
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\nSo you know the circumference of a circle but not the radius. This tutorial shows you two different formulas commonly associated with circles, determines which formula to use, then puts the formula to work. You'll have no problem...\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video3:19
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\nCurated OER\n
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\nHow Do You Find the Area of a Circle if You Know the Radius?\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nThere are basically two things you need to know to find the area of a circle. First, you need to use the correct formula. Second, you have to know the value of the radius. If you know these two things then all you have to do is plug the...\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video11:05
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\n\"Circles:\n\n
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\nCurated OER\n
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\nCircles: Radius, Diameter and Circumference\n

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\n\nFor Students\n\n4th - 11th\n
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\nFascinating discussion regarding the origin of Pi accompanies a detailed explanation of how to find the circumference of a circle. Since this is the first installment in a series on circles, the concept of circumference is separated into...\n
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Instructional Video3:25
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\n\"Radius\n\n
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\nCorbett Maths\n
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\nRadius and Tangent – Proof\n

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\n\nFor Students\n\n6th - 12th\n\nStandards\n
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\nA tangent line always finds its place at a 90-degree angle to a radius. Many scholars struggle with the proof of the seemingly simple statement. A brief video demonstrates the reasoning behind the proof before pupils practice applying it...\n
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Instructional Video1:52
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\n\"Radius,\n\n
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\nRadius, Chord, Diameter, and Secant\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nWhat do a secant, chord, diameter, and radius all have in common? They are all components or measurements of a circle! This clip quickly defines each of these terms using verbal, written, and diagram examples.\n
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Lesson Plan
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\n\"Tangent\n\n
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\nCurated OER\n
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\nTangent Lines and the Radius of a Circle\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nYour Geometry learners will collaboratively prove that the tangent line of a circle is perpendicular to the radius of the circle. A deliberately sparse introduction allows for a variety of approaches to find a solution. \n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video3:56
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\n\"Find\n\n
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\nMathispower4u\n
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\nFind the Radius of a Circle Given the Area (Example)\n

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\n\nFor Students\n\n7th - 11th\n\nStandards\n
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\nWork backwards if you dare. Scholars view a video to learn how to apply the area formula of a circle to solve problems. They watch an example where the focus is finding the radius of a circle given its area, requiring the use of inverse...\n
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\n\nGet Free Access\n\nSee Review\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 a Circle When Radius is Given\n

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\n\nFor Students\n\n5th - 8th\n
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\nFive problems provide practice for learners to find the area of a circle given the distance of the radius. Answers on the key use pi as a variable and do not include fully computed numeric answers. To reinforce basic multiplication facts...\n
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Organizer
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\n\"Calculate\n\n
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\nCurated OER\n
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\nCalculate the Radius\n

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\n\nFor Students\n\n6th\n
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\nFor this calculating radius worksheet, 6th graders find the radius of 5 circles given the circumference information. Students must write the radius on the line provided and a box is provided to them to show their work. \n
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Lesson Plan
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\n\"Radius\n\n
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\nIllustrative Mathematics\n
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\nRadius of a Cylinder\n

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\n\nFor Teachers\n\n8th - 12th\n\nStandards\n
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\nHere is a multiple choice question that would make a good assessment question. Algebra students are to look at the structure of the formula for a given radius of a cylinder and find the resulting radius when the height of the...\n
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Interactive
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\n\"Restricted\n\n
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\nCK-12 Foundation\n
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\nRestricted Domain and Range: Restricted Circle Radius and Area\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nThere's no restriction to how much your class can learn about domain and range. Users of an interactive adjust the radius of a circle to see its effects on the area. They note how restrictions in the domain (radius) relate to...\n
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Instructional Video6:48
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\n\"Equation,\n\n
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\nKrista King Math\n
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\nEquation, Center and Radius, and Intercepts of a Circle\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nWorking with standard equations is essential to mathematics. The instructor shows pupils how to apply the equation of a circle to determine the center, radius, and intercepts of a circle. Learners then view three examples that...\n
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PPT
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\n\"Size\n\n
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\nCurated OER\n
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\nSize of Atoms - Trends\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nThis compendious collection of slides leaves no questions when it comes to the concept of atomic size. Thorough and easy-to-read graphs, tables, and graphics explain atomic radii, the shielding effect, the octet rule, isoelectric...\n
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Lesson Plan
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\n\"Discovering\n\n
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\nDiscovering Pi/Welcome to Pi Day\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nStudents explore pi. In this circle measurement lesson plan, students define and identify radius, diameter, circumference, and perimeter. Students work in groups to measure several plastic lids and record their findings. Students compare...\n
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