Other programs tend to look at content for each grade level of math in a vacuum, leading to gaps in concepts from year to year. Our authors work across grades, contributing their expertise to all levels.
Edward B. Burger, Ph.D.
Elementary, Middle, Secondary, and Post-Secondary Mathematician
Juli K. Dixon, Ph.D.
Professor of Mathematics Education; Elementary, Middle, Secondary, and Post-Secondary Mathematics Education
Timothy D. Kanold, Ph.D.
International Educator, Author, and Consultant; Mathematics Education