000 00585 a2200193 4500
001 115725
020 _a9780325029634
041 _apor
090 _aPL 510 OCO
100 _aO´Connell, Susan.
250 _a. ed.
300 _a156 p. + 1 cd
697 _aSubtraction - Study and teaching.
697 _aAddition - Fiction.
040 _aBR-BrIDEA
_cBR-BrIDEA
245 1 0 _aMastering the basic math facts in addition and subtraction
_bstrategies, activities & interventions to move students beyond memorization
_c Susan O´Connell
260 _bHeinemann
_c2011
942 _cBK
999 _c115725
_d115725