All of Thinkfinity.org's 55,000 standards-based K-12 lesson plans, student materials, interactive tools and reference materials are reviewed by the nation's leading education organizations to ensure that content is accurate, up-to-date, unbiased and appropriate for students. Thinkfinity draws upon the strength of the content partners, who produce a wealth of discipline-specific, standards-based educational resources: American Association for the Advancement of Science; Council for Economic Education; International Reading Association; National Center for Family Literacy; National Council of Teachers of English; National Council of Teachers of Mathematics; National Endowment for the Humanities; National Geographic Society; ProLiteracy; Smithsonian National Museum of American History; The John F. Kennedy Center for the Performing Arts


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