In this paper we focus on variation of the design and the implementation of a specific task during three mathematics lessons in the 8th grade in a learning study (Marton & Tsui, 2004; Runesson, 2008). The theme of the lesson was division, with a denominator between 0 and 1. The teachers wanted their students to understand that when dividing…

This applied dissertation was designed to provide a formative evaluation of junior high and high school curriculum reform as part of a state initiated pilot program in a rural school district in southwest Mississippi. The purpose of the program was to address and respond to the 8th-grade technology literacy requirements of the No Child Left Behind…

Although she is now teaching Spanish in a new school full time, Linda Smrokowski, spent 9 years teaching in a once-per-week second language program. Because many once- or twice-per-week programs still exist, she shares strategies for writing and implementing detailed lesson plans that worked for her while she was teaching in a once-per-week…