How many times in the past month have you asked yourself, “In what ways can we provide a richer and more effective mathematics curriculum for the children in our elementary schools?” We evaluate and re-evaluate our present practices in light of new knowledge, new research, and new ways of developing old ideas. Often it becomes necessary to sacrifice “out-ofdate” and no longer useful practices for more purposeful ones. If you are convinced that changes are possible, we invite you to read these provocative articles.