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Materials & Resources provides a way to locate standards-aligned content through a targeted search. Locate educational resources by Keyword, Subject Area/Grade Level, Course, or by one or more specific Content Types. Please select from the appropriate filters. The Standards Aligned System includes content from several outstanding community, cultural, and educational institutions.
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The Standards Aligned System includes content from several outstanding community, cultural, and educational institutions. The keywords below (in italics) can be used in a Materials & Resources search to preview offerings from some of these organizations. Click on these terms to begin searching.
To access additional nationally rated LDC tasks and modules created by Pennsylvania educators, see LDC Core Tool - Library.
Title | Action | Content Type | Grades | ||||||
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Manipulator Math Applets for the Pythagorean Theorem |
Web-based Practice
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10th Grade, 7th Grade, 9th Grade | |||||||
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Visualization of Three-Dimensional Figures |
Unit Plan
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Congruence and Similarity |
Unit Plan
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Area of a Circle |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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The Pythagorean Theorem |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Pythagorean Theorem II |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Intro to 30-60-90 Triangles |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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30-60-90 Triangles II |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Heron's Formula |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Part 1 of Proof of Heron's Formula |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Part 2 of the Proof of Heron's Formula |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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An Inscribed Angle is Half of a Central Angle that Subtends the Same Arc |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Area of Inscribed Equilateral Triangles (Some Basic Trig Used) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Right Triangles Inscribed in Circles (Proof) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Using Trig Functions |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Using Trig Functions Part II |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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The Unit Circle Definition of Trigonometric Function |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Unit Circle Definition of Trig Functions |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Graph of the Sine Function |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Trigonometric Identities |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Proof: sin(a+b) = (cos a)(sin b) + (sin a)(cos b) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Proof: cos(a+b) = (cos a)(cos b) - (sin a)(sin b) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Trig Identities Part 2 (Part 4 if you Watch the Proofs) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Trig Identities Part 3 (Part 5 if you Watch the Proofs) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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Trigonometry Word Problems (Part 1) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||
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