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  1. 1

    The everyday science sourcebook : ideas for teaching in the elementary and middle school by Lowery, Lawrence F.

    Palo Alto, CA : Dale Seymour, 1985
    Format: Book


  2. 2

    Investigations in pre-algebra by Posamentier, Alfred S.

    Menlo Park, Calif. : Addison-Wesley Pub. Co., 1982
    Format: Book


  3. 3

    Get it together : math problems for groups, grades 4-12 by Erickson, Tim

    Berkeley, Calif. : EQUALS, Lawrence Hall of Science, University of California, 1989
    Format: Book


  4. 4

    Rethinking proof : with the Geometer's sketchpad by De Villiers, Michael D.

    Emeryville, CA : Key Curriculum Press, 1999
    Format: Book


  5. 5

    Linguistics and English grammar by Gleason, Henry A. (Henry Allan), 1917-2007

    New York, N.Y. : Holt, Rinehart and Winston, 1965
    Format: Book