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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. 

Cheryl D. Roddick San José State University, USA

Cheryl D. Roddick is an associate professor in the Department of Mathematics at San José State University. She currently teaches mathematics and mathematics methods courses to students in K-12 education. She also supervises field experiences for student teachers at the secondary level. 

Roddick’s research interests include the conceptual understanding of fractions and teacher change relative to teaching mathematics. She has presented her research in local as well as national mathematics education conferences. She also facilitates K-12 inservice activities with teachers in local school districts.