Mental Computation by Kramer Klaas (1 results)

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  • Language: English

    Published by IBM/SRA [Science Research Assoc], Chicago, IL, 1965

    • Softcover
    • First Edition

    Seller: 100POCKETS, Berkeley, CA, U.S.A.100POCKETS

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    Condition: Used - Near fine

    £ 32.87

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    Soft Cover/Stapled. Condition: Near Fine. Dust Jacket Condition: None as Issued. First Edition, First Thus. EX-LIB. Text/BRAND NEW showing trace margin discoloration. Softcover/NF; strong w/light edge rubs, and "discard" stamp to upper front corner. Educational material prepared for teachers. 90 pgs. Teaching children to be comfortable with arithmetic numbers via "a way of systematic thought". Professor of Elementary Education, Klaas Kramer (1916 -) assembles 30 lessons/exercises. Simple example: 28 + 9 = ? ----- think 28 + 2 is 30, and 30 + 7 is 37; therefore 28 + 9 = 37. Excellent supplementary material for arithmetic schooling.…