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'lluminations is a project designed by the National Council of Teachers of Mathematics (NCTM) and supported by the Verizon Foundation. NCTM serves as a content partner for Thinkfinity, the Verizon Foundation's free online professional learning community, where Illuminations is the primary contributor of resources for teaching and learning mathematics for grades pre-K—12. Illuminations works to serve you by increasing access to quality standards-based resources for teaching and learning mathematics, including interactive tools for students and instructional support for teachers. Our Resources Lessons and interactives searchable by NCTM’s Principles and Standards and by the Common Core State Standards. Over 600 lesson plans Over 100 activities; these are virtual manipulatives, applets, and... Show More


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