000 00685nam a2200217Ia 4500
008 190409s9999 xx 000 0 und d
020 _a0-02-352946-6
082 _28th ed.
082 _aCir 372.7 H3582 1995 pt.1
100 _aHeddens, James W.
245 0 _aToday's mathematics part 1 : concepts and classroom mathematics / James W. Heddens and William R. Speer
260 _aEnglewood Cliffs, New Jersey
260 _bPrentice-Hall, Inc.
260 _cc1995.
300 _a318 p.
504 _aIncludes bibliographical references and index.
526 _a300-399
650 _aMathematics--Study and teaching (Elementary).
700 _aSpeer, William R.
942 _cBK
999 _c2054
_d2054