000 00340nam a2200145Ia 4500
020 _a0435169750
082 _bT 368
_a510
100 _a"New Heineman Math"
245 0 _aaddition and subtraction to 20
260 _bheinemann
_aUK
_c1999
300 _a59
944 _cTB
999 _c696812
_d696812