Reading Resources
Hand-picked, free resources to help you build background knowledge for every CBE subject. Each link opens on the publisher's own site.
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English Language Arts
ReadWorksReadWorks.orgFree, grade-leveled reading passages with comprehension questions — great for building reading stamina.CommonLitCommonLitFree short stories, articles, and poems with guided reading questions for middle schoolers.Khan Academy: 6th Grade Reading & VocabularyKhan AcademyFree video lessons and practice on vocabulary, grammar, and reading comprehension skills.
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Social Studies
National Geographic KidsNational GeographicEngaging articles on world cultures, geography, and countries around the globe.Ducksters: Geography & HistoryDuckstersKid-friendly explainers on continents, government systems, economics, and world history.CIA World FactbookU.S. Central Intelligence AgencyReliable, up-to-date country profiles covering geography, government, and economy — good for research practice.
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Science
NASA Space PlaceNASAFun, accurate articles and activities on Earth, space, and the solar system.CK-12 Foundation: ScienceCK-12 FoundationFree, standards-aligned science textbooks and flashcards covering matter, energy, and Earth science.Ducksters: Science for KidsDuckstersClear, simple explanations of ecosystems, the rock cycle, and physical science concepts.
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Mathematics
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Art
Met KidsThe Metropolitan Museum of ArtExplore famous artworks, artists, and art history through an interactive kid-friendly museum experience.Tate KidsTateGames, videos, and activities that teach color theory, art elements, and famous artists.NGAkidsNational Gallery of ArtInteractive art-making activities that reinforce design principles like balance, pattern, and emphasis.
QuizHill is not affiliated with the publishers listed above. Links are provided as free, publicly available study aids.