| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c16000 _d16000 |
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| 008 | 161107b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0023529334 | ||
| 050 | _aQA 135.5 .H42 1992 | ||
| 100 | _aHeddens, James W. | ||
| 245 |
_aToday's Mathematics: _bconcepts and methods in elementary school mathematics/ _cJames W. Heddens and William R. Speer |
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| 250 | _a7th ed. | ||
| 260 |
_aNew York: _bMacmillan Publishing Company, _c1992 |
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| 300 |
_axi, 656p. : _bill. ; _ccm |
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| 500 | _aIncludes bibliographical references and index. | ||
| 650 |
_aMathematics. _xStudy and teaching (Elementary). |
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| 700 | _aSpeer, William R. | ||
| 942 |
_2lcc _cBOOKS _hQA 135.5 .H42 1992 |
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