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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Julie A. Sliva Spitzer San José State University, USA

Julie Sliva Spitzer brings a rich background in mathematics, technology, and special education. As an associate professor of mathematics education at San Jose State University, she teaches methods of mathematics instruction to aspiring educators and supervises their field experiences. Julie continues to enjoy inservice work with teachers Grades K–12. Julie’s research interests include studying teacher and student attitudes toward teaching and learning mathematics, and best practices for teaching mathematics to learners with special needs. She is a frequent presenter at the National Council of Teachers of Mathematics Annual Meetings, the California Mathematics Annual Conference, and the International Group for the Psychology of Mathematics Education, North American Chapter.