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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.
Please select from the appropriate filters or search by keyword.
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.
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Congruence and Similarity |
Unit Plan
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Similar Triangles |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Similar Triangles (Part 2) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Angle Game (Part 2) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Area and Perimeter |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Circles: Radius, Diameter and Circumference |
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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Trigonometry Word Problems (Part 2) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Navigation Word Problem |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Polar Coordinates (1) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Polar Coordinates (2) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Polar Coordinates (3) |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Exploring Area & Perimeter within City Blocks: an Application of Taxicab Geometry (TIU 11 Enrichment) |
Lesson Plan
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9th Grade, 10th Grade | |||||||||
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Math Design Collaborative: Inscribing and Circumscribing Right Triangles |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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MATH CTE T-CHART - Carpentry - Using Geometric Theorems to Verify Properties of Circles |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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MATH CTE T-CHART – Machine Tool Technology - Using Geometric Theorems to Verify Properties of Circles |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Math Design Collaborative: Solving Problems with Circles and Triangles |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Math Design Collaborative: Sorting Equations of Circles 1 |
Web-based Resource
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9th Grade, 10th Grade, 11th Grade, 12th Grade | |||||||||
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Formulas | Targeted Math Instruction |
Web-based Resource
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8th Grade, 9th Grade | |||||||||
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