I’m a seventh-grade math teacher who switched careers after spending nine years doing software engineering. I started teaching middle school in 2008. I’m entering my fifth full year as a teacher. Middle school teaching is the most challenging and rewarding job I’ve ever tried. This blog is about my efforts to take on constructivist math teaching and do things quite a bit differently than the way I was taught math, while making my students and myself into problem solvers… with a little flexibility and a sense of humor. The name “Ooh Guess What” has to do with the most common question asked in my classroom. The answer to this question will often tell me quite a lot about my students!