James R. Olsen
A comprehensive look at mental math in the light of technology, the Common Core State Standards for Mathematics, and brain-based learning.
Anne E. Adams, Jerine Pegg, and Melissa Case
Help students develop skills to support comprehension of concepts and terminology.
Lorraine Day
Two rich tasks—extending the pattern of a mountain range and counting the painted faces of a cube—help students manipulate symbolism and rules in the mysterious world of algebra.
Arnold E. Perham and Faustine L. Perham
A cross-disciplinary unit asks students to analyze data in historical information.
Cornelis de Groot and Meredith Boyajian
A student teacher and her supervisor develop a lesson to connect students’ knowledge of place value to operations with polynomials.
A teacher reflects on the importance of determining what constitutes prerequisite material and the value of limiting the number of skills assessed.