The document reflects on the author's development of TPACK (technological pedagogical content knowledge) over the course of a semester. Initially, the author felt confident in their content knowledge of math and French but recognized needing to learn more about technology and how to integrate it. They gained experience teaching math and using various technologies. By the end, the author's knowledge of content, pedagogy and their intersection had improved. They now see the importance of continually developing their TPACK as technologies change.