Math & Physical Science

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  1. About Time

    About Time - A First Look at Time and Clocks

    The earliest people divided time into two intervals, nighttime and daytime. Today’s atomic clocks divide time into picoseconds—trillionths of a second! How did we get from there to here? Hardcover, 32 pages. Learn More
    No Longer Available
    EM30
  2. Matter & Energy

    Matter & Energy - From In-Print For Children

    Designed to direct elementary students’ observations and give them the language to express what they observe. Children match six energy sources with a description of why they are renewable or non-renewable. Learn More
    $24.00
    EM69
    In Stock
  3. 4,962,571

    4,962,571 - A Montessori Math book by Trever Eissler

    This charming story introduces the concept of numbers just the way Montessori recommends — by counting, estimating, grouping, and self-directed exploration. The abstract concept of a really big number becomes concrete as the child satisfies his thirst for knowledge. Learn More
    $20.00
    MA20
    In Stock
  4. Magnus Maximus

    Magnus Maximus - A Marvelous Measurer

    This delightful book explores all the myriad things that can be measured and the ways to measure them. Some are measurements of what you'd expect (like size and weight) and many are not (wetness, dryness, wobbliness, itchiness and other interesting qualities). Hardcover, 32 pages. Learn More
    $17.95
    MA126
    In Stock

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