Mathematics Educator (IMAGE) University of Chicago Caption Ninth-graders in Chicago Public Schools have significantly benefited from double-dose algebra (attending two consecutive periods of the subject) in ways that were not easily observable in its early years of existence. Credit Robert Kozloff/University of Chicago Usage Restrictions News organizations may use this image in connection with reports about Martin Gartzman or the Center for Elementary Mathematics and Science Education. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.