00968pam a2200313 a 4500 3398139 OSt 20251215122536.0 890608s1990 nyua b 001 0 eng 89012506 080130203X 3398139 DLC DLC DLC QA135.5 .V34 1990 372.7 20 Van de Walle, John A. Elementary school mathematics : teaching developmentally / John A. Van de Walle. New York : Longman, c1990. ix, 465 p. : ill. ; 28 cm. text txt rdacontent unmediated n rdamedia volume nc rdacarrier Includes index. Bibliography: p. 452-457. Mathematics Study and teaching (Elementary) 7 cbc orignew 1 ocip 19 y-gencatlg lcc BK 265559 265558 0 0 lcc 0 0 NFIC 40404 40404 GEN 2025-12-15 Books for Africa, Donation 0 QA135.5 .V34 1990 20260724 2025-12-15 00:00:00 2025-12-15 BK