00290nam a2200109Ia 4500008004100000020001800041082001700059100001800076245003900094260003700133300001000170230613s9999||||xx |||||||||||||| ||und||  a9780439697606  a513.2bS5251  aShafer, Susan 0a101 ways to boost your math skills  aNew York bScholastic Inc.c2004  a95 p.