000 00721nam a2200217 a 4500
001 000300970
005 20250302074703.0
008 130206s2013 mduab f b 001 0 eng d
020 _a9781442218741
050 4 _aQA135.6
_bW544H
100 1 _aWilliams, G. Arnell,
_d1964-
_9145682
245 1 0 _aHow math works :
_ba guide to grade school arithmetic for parents and teachers /
_cG. Arnell Williams.
260 _aLanham, Md. :
_bRowman & Littlefield,
_cc2013.
300 _a325 p. :
_bill, maps.
504 _aIncludes bibliographical references and index.
650 0 _aArithmetic
_xStudy and teaching (Elementary)
_9145683
990 _aA47060
_b20150218
991 0 0 _a0702
997 _b02
942 _2lcc
_cBK
999 _c244946
_d244946