000 00368nam a2200157Ia 4500
020 _a9780435169749
040 _cPK-LaCSN
082 _a510
_b"GECKO"
100 _a"GECKO"
245 0 _aAddition and subtruction to 100
260 _bHeinemann Educations
_aHarlow
300 _a31
942 _cTB
999 _c847802
_d847779