Exploding dots is the bomb! Pun intended. We are doing a review of place value so I used my broken calculator to instigate this investigation. I cannot hand reviewing in the sense of "doing the same thing we already learned." I try, rather, to introduce a newer deeper understanding of an older concept. This is right on the verge of a grade seven's ability but for the most part students are really catching on. If you have never heard of exploding dots or James Tanton, you really need to fix that!
If you have never heard of a 180 blog, let me fill you in. #teach180 is all about sharing your daily life in teaching. It is a way of small form blogging, reflecting on what you are doing, and sharing with the world. Check out these...