00309nam a2200121Ia 4500020001500000082001900015100001900034245006300053260004600116300001500162500000500177700000500182  a1563085852  a510.9bH385.MM  aHaven, Kendall  aMarvels of math bfascinating reads and awesome activities  aEnglewood CliffsbTeacher Ideas Pr.c2005  axii, 172p.  a  a