Changing demographics, student diversity, and increased accountability have compelled educators to challenge the uniform constraints of traditional instruction and create an environment focused on individual achievement. Differentiated instruction empowers teachers to target multiple learning styles through varied themes, adapted content delivery,…

This paper reports on a quasi-experimental study comparing a "productive failure" instructional design (Kapur in Cognition and Instruction 26(3):379-424, 2008) with a traditional "lecture and practice" instructional design for a 2-week curricular unit on rate and speed. Seventy-five, 7th-grade mathematics students from a…