000 00421nam a2200157 a 4500
005 20140412111421.0
008 071129s19uu xx 00 eng d
020 _a1-55799-919-8
050 _aTR(GS 512.92
_bSu1 2003
245 _aSubtraction Facts :
_b2 digit numbers.
260 _aU.S.A :
_bThe learning line,
_c2003.
300 _a32p.
440 _aSuccess measures up!
500 _aGrades 2-3
999 _c106031
_d106031