מתורגם מתוך הספר:

Linking Fractions, Decimals, and Percents Using an Area Model, chap. 5 pp. 47- 64.

Implementing standards-based mathematics instruction - A Casebook for Professional Development. Teacher College Press, Columbia University, NY. 2000.

Mary Kay Stein, Margaret Schwan Smith, Marjorie A. Henningsen, Edward A Silver

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