Mathematics Teacher (1991) Vol. 84, No. 7
South-Western has saved you all the time and energy it takes to implement the NCTM Standards. Let our unique way of integrating calculator and computer technology, hands on activities, and cooperative learning projects throughout these new texts ease you through the change. Just calll-800-543-7972 to order PRE-ALGEBRA,
This is available to members of NCTM. Please log in now to view this article. If you are interested in a NCTM membership join now.