Number Theory, Geometry, Topology, Binary and Exponential Arithmetic, and much, much more!

Number Theory and Arithmetic Operations
Geometry and Topology
Binary and Exponential Arithmetic
Problem-Solving Strategies
Problem-Solving in Other Areas
Recreational Mathematics

Alfred S. Posamentier is professor of mathematics education and dean of the School of Education at the City College of the City University of New York. He has authored and co-authored several resource books in mathematics education for Corwin Press.