00413nam a22001337a 4500008004100000020001400041050002000055100002700075245004300102260005500145300003600200700002200236700002100258151003b        xxu||||| |||| 00| 0 eng d  a282039713  aQA 11 .K46 1970  aKidd Kenneth P.d1970.  aThe Laboratory Approach to Mathematics  aChicago,bScience Research Associates, Inc.c1970.  axvi, 282p:ill.bincludes index,  aMyers, Shirley S.  aCilley, David M.