Carl Seltzer

About the Author

Carl Seltzer is a dedicated educator and author with over two decades of experience in mathematics instruction for middle school students. Holding a master's degree in education, he has taught in diverse classroom settings, where he developed innovative methods to make abstract concepts accessible and engaging. Seltzer's passion for fostering critical thinking and problem-solving skills shines through in his practical resources for teachers. His book, Working with Two-Color Counters: Engaging Activities for Fractions, Equations, Probability and Reasoning, Grades 5-8 (Book & CD-ROM), exemplifies his approach by providing hands-on activities that integrate manipulatives with curriculum standards. Through his work, Seltzer empowers educators to create dynamic learning environments that build students' confidence in mathematics.