000			00456nam a2200169 a 4500
001			A30009 11930
003			dti
005			20170506185044.0
008			s1961 000 0 eng
100	1		_aSpitzer, Herbert F.
245	1	4	_aThe teaching of arithmetic / _cby Herbert F. Spitzer.
250			_a3rd ed.
260			_aBoston, Mass. : _bHoughton Mifflin, _c1961.
300			_avii, 352 p.
500			_aIncludes index.
650		0	_aArithmetic.
999			_c373535 _d373535