• Khan Academy SAT Practice

    https://www.khanacademy.org/sat
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  • CK-12

    CK-12 launches fully customizable Math and Science textbooks that are free for the world to download or view online.

    https://www.ck12.org/student/
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  • Discovery Education

    A ground-breaking cross-curricular resource designed to simultaneously engage students and provide educators with instructional support to implement the Common Core State Standards. Thousands of learning objects, tools, and assessment activities encourage student content creation, critical thinking, and collaboration.

    http://www.discoveryeducation.com/
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  • Tween Tribune

    TeenTribune, TweenTribune, TTEspañol and TTJunior (hereinafter collectively referred to as "TTribune") is a free online educational service offered by the Smithsonian for use by K-12 grade Teachers and students. TTribune consists of daily news sites for kids, tweens, and teens, and includes text, photos, graphics, and audio and/or video materials prepared by the Smithsonian and others about current events, history, art, culture and science.

    https://www.tweentribune.com/category/tween78/
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  • IXL

    Practice Math & English And Have Fun Doing It. Win Awards And More!
    Immediate Feedback · K-12 Math & English · Adaptive & Individualized
    Courses: Math, English, Science, Social Studies

    https://www.ixl.com/math/
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