Don S Balka

Don S. Balka, Ph.D., is a noted mathematics educator who has presented more than 2,000 workshops on the use of math manipulatives with PK-12 students at national and regional conferences of the National Council of Teachers of Mathematics and at in-service trainings in school districts throughout the United States and the world. He is Professor Emeritus in the Mathematics Department at Saint Mary s College, Notre Dame, Indiana. He is the author or co-author of numerous books for K-12 teachers,...See more