Today's classrooms are full of routines. Although we often think of routines as being used for organization, they can also be used to enhance instruction. NCTM's "High-Yield Routines for Grades K–8" discusses seven easily implemented mathematical routines that may be used effectively at a variety of grade levels and with a variety of mathematical content. It also includes ideas for infusing mathematics into the nonmathematical routines that take time away from instruction. Use code YIELD25 for 25% off for members and 15% off for nonmembers. Learn more: http://www.nctm.org/catalog/product.aspx?id=14405.