TY - GEN ED - University School Support for Education Reform TI - A mathematics source book for elementary and middle school teachers SN - 1-57128-122-9 U1 - 510.712 PY - 1999/// CY - California PB - Arena Press, KW - Mathematics--Study and teacher (Elementary) 2. mathematics--Study and teacher (Middle School) N2 - Contains a concise discussion of several mathematical topics commonly taught in elementary and middle school curricula and provides a solid base for instruction grounded in respected research and best practices; consists in-depth coverage of a specific topic such as multiplication, fractions, or algebra foundations ER -