There are urgent calls for more studies examining the impact of Professional Development (PD) programs on teachers' instructional practices. In this study, we analyzed how grades 5-9 mathematics teachers used graphs to teach mathematics at the start and end of a PD program. This topic is relevant because while many studies have investigated…

This action research study followed a social studies educator as he developed and implemented screencasts in three ninth-grade world history classes. He focused on ways to increase student-centered learning and meeting the needs of broad ranges of learners. The study revealed an increase in student engagement, instruction in career and college…