000			00846nam a22001217a 4500
008			231128b |||||||| |||| 00| 0 eng d
020			_a9780367462888
100			_aEBBY, Caroline B. _aHulbert, Elizabeth T _aBroadhead, Rachel M.
245			_aA focus on addition and subtraction _b: bringing mathematics education research to the classroom _c/ Caroline B. Ebby, Elizabeth T. Hulbert, and Rachel M. Broadhead _eStudies in mathematical thinking and learning _gxii,224p;ill
260			_bRoutledge _c 2021 _hNew York _i702301 _i702302 _lQA135.6.Eb1 _mAddition-Study and teaching (Elementary) _mSubtraction-Study and teaching (Elementary) _mNumber concept- Study and teaching (Elementary) _mMathematics teachers-Training of _mElementary school teachers-Training of
500			_a Includes bibliographical references and index
942			_alcc _cBK _eJohnson _f28/11/23
999			_c2328 _d2328