000 00507nam a22001697a 4500
003 OSt
005 20140311163157.0
008 140226t xxu||||| |||| 00| 0 eng d
020 _a0590497960
050 _aQA 135
_b.P52 1994
100 _aPiccirilli, Richard
_930677
245 _aMental math :
_bcomputation activities for anytime /
_cRichard S. Piccirilli.
260 _aNew York :
_bScholastic Professional Books,
_cc1994.
300 _a95 p. :
_bill. ;
_c30 cm.
541 _e8522
942 _2lcc
_cBK-TR
999 _c42398
_d42398