Here are a few of the ways I think Number Talks are a powerful routine:
it focuses on
mental math,
a variety of computation strategies,
justifying your thinking,
defending an answer,
proving an answer is incorrect,
communicating you reasoning,
listening to others,
building off other's thinking & reasoning
Today, I listened to Sherry Parrish talk about Number Talks through a video posted on YouTube by Scholastic. What a great way to hear about Number Talks!
I was reminding of all the ways that it supports the content of the Common Core - it helps students build fluency with computation. And incorporates so many of the habits of mind from the Standards for Mathematical Practice.
Around 11 minutes into the video Dr. Parrish says:
“Until I began to make some shifts in thinking about how students learn and maybe best practices. That I avoided writing problems horizontally. Because for the very things you're describing. I justified that if I already had it recorded vertically that they could go into that procedure and get a correct answer. Why put the confusing out there?
Now, I’m going to write just about all of my problems horizontally. I want to push on that place value piece. I want the misconceptions to come to the forefront so that we can deal with them and have conversations around it.” I connect with this. I remember in my teaching being frustrated when we spent more days than planned on a topic and students still didn't quite get it. And, now what? More practice of the same? Move on? And then I started thinking about how I can make some shifts to my "first instruction". Setting things up nice and neat won't get me the results I want. As Dr. Parrish states, "[I] recorded [it] vertically [so] that they could go into that procedure and get a correct answer." But when we don't allow students to grapple with the misconceptions, we rob them of taking the understanding to a deeper level. The strategic thinking and the flexible thinking will help students build fluency with computation.
If you have read her article Number Talks: Building Numerical Reasoning (you can find it here), yet still not sure what this would look like in your classroom, take a moment to watch the video on YouTube. Its an just over an hour, but it is well worth your time.
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