00435nam a2200145Ia 4500003000600000005001700006008004100023020001800064040002500082082002100107100002400128245008000152260002300232500003400255NORSU20240711014552.0240214s9999    xx            000 0 und d  a1-4129-3842-2  aNORSU-DumcNORSU-Dum  a510.712 M23 2007  aTimothy J. McNamara 0aKEY CONCEPTS IN MATHEMATICS Strengthening Standards Practice in Grades 6-12  bCorwin Pressc2007  aIncludes References and Index