An Instructional Routine for “Which One Doesn’t Belong?”

We are currently studying geometry. The standards for geometry list one important understanding to develop before 4th grade, “Reason with shapes and their attributes.” If you click through the link you can read more about the specifics, but the activity that gets students reasoning about shapes and their attributes the most, in my opinion, is Which One Doesn’t Belong? This activity allows students to share their thinking about shapes and their properties without the fear of being wrong. Why? Because every answer is correct as long as you can justify your reasoning! You can read more about how I implement “Which One Doesn’t Belong?” in my class and you can use it for more than just geometry.

But this post is about how I used this activity as a basis for an instructional routine. Continue reading

The First NCTM Innov8 Conference: A Reflection

It has been a busy end to the first trimester, so this is the first time I’ve had to sit down and reflect on NCTM’s first Innov8 conference, held in St. Louis a couple of weeks ago. The focus of the conference was “engaging the struggling learner.” I’ll leave it up to you to define that term on your own, because it seems to encompass quite a vast swath of educational labels (e.g., “at risk,” “difficulty,” “intervention,” “tier 3,” “disability,” etc.).

As a special educator and advocate for students with disabilities, this conference was a breath of fresh air. It was refreshing for numerous sessions to relate in some way to the students who are in my classes. One of the major themes from this conference was what was truly meant by the term “struggling learner.” Fawn Nguyen broached this topic during her keynote:

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