I have spent a lot of time over the last few years thinking about how to develop lessons and problem strings to help students construct their own knowledge about multi-digit addition and subtraction rather than teaching them "how to do it." I have written about some of my struggles, triumphs and amazing moments but I always find more I can talk about with teachers and students around teaching kids to think about math rather than just doing it.
Today I want to share with you 3 different solutions to a three digit addition problem that I posed this week to a group of third graders who are a bit behind where they should be but are working hard to construct their own knowledge about addition.
Today I want to share with you 3 different solutions to a three digit addition problem that I posed this week to a group of third graders who are a bit behind where they should be but are working hard to construct their own knowledge about addition.
I was surprised to learn a few weeks ago that another book by the same author existed that I did not know about. I saw this book on a colleagues shelf and knew I had to have it. It has a WEALTH of mini lessons for working on addition and subtraction and had I had this book a few years ago it would have made my journey to being a better math teacher much smoother!
What opportunities are you providing for your students' to develop their number sense?
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