Eric L. McDowell
Enhance students’ number sense and illustrate some surprising properties of this alternative operation.
Marla A. Sole
Using bivariate data, students investigate the ingredients in pasta sauce.
Theresa J. Gurl, Ryan Fox, Nikolina Dabovic, and Arielle Eager Leavitt
Three preservice teachers describe their experiences implementing practice standards using activities from their methods class.
Lorraine M. Baron
Assessment tools—a rubric, exit slips—inform instruction, clarify expectations, and support learning.
Benjamin Dickman
Problem solving may incorporate wild guessing, but tame guessing when the answer is already known helps develop mathematical intuition.