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By
Jon Orr
posted
4 days ago

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Let’s start up round 2 of How To Start a Math Fight: Building productive math discussion and discourse into your daily routines. In Round 1 of this series I clarified that a math fight is centered around students TALKING about their mathematical thinking. From my experience, having students regularly discuss, argue, defend, justify ideas using mathematics helps them understand topics more deeply.
We can create these rich discussion moments in our classrooms by carefully planning three kinds of moments:
Create a moment of out-loud thinking (Round 1)
Create a moment of controversy .
Create a moment of Wonder .
In Round 1 ...

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By
David Barnes
posted
13 days ago

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#NCTMontheHill: The Power of Building Relationships
The NCTM Board has embraced and is actively supporting NCTM’s advocacy role. Recently, Board members made visits to Capitol Hill to meet with their members of Congress to introduce NCTM, share key educational issues and the impact they are having, and work to build relationships. In short, make a friend.
Almost all ten members of the Board who participated were able to meet with the offices of both their Senators and their Representatives. In addition, every NCTM Board member had at least one meeting where they were able to connect and discuss key issues. On Capitol Hill, members of Congress ...

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By
Jon Orr
posted
16 days ago

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Ding Ding! Welcome to Round 1
You may be wondering and saying to yourself: Math Fight? Really? What does that even mean? Come on Jon, you can’t be seriously promoting violence! You’re right, I would never promote violence in the classroom, so let me fill you in on what I mean by a Math Fight.
Here is an image that is NOT a Math Fight!
Here is an image of a math fight in progress:
Here is another math fight
What do you notice?
To me, a math fight is where two or more students have differing opinions or thoughts and are productively trying to convince each other that they are correct or to convince each other that their ...

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By
Sarah Hampton
posted
02-11-2019

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Examples of Effective Modeling Activities
Several years ago a friend shared a video with me that changed my perspective on teaching math forever. It was Dan Meyer’s Ted Talk, Math Class Needs a Makeover . Before I had ever heard the term modeling, the concept was lodged in my mind and consequently my practice because of the following clip. After you check it out, let’s take a look at a few tried and true classroom activities on modeling.
//
Meyer goes on to make five suggestions for implementing these kinds of activities. (I highly recommend watching the entire video!)
Use multimedia
Encourage student intuition
...

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By
Sarah Hampton
posted
01-22-2019

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The Roles of Teacher and Technology: Mathematical Modeling Using Desmos
We have many tools in our math teacher toolkits. Need to demonstrate place value? Base ten blocks. Explore area and perimeter? Geoboards. Probability, you say? Out come my cards and dice.
The thing is, we don’t expect students to understand place value simply because we handed them the base ten blocks. We don’t expect them to derive formulas for area and perimeter without some guidance with the geoboards. We don’t expect them to grasp probability because we let them play dice and card games for the week.
Yet, we often expect students to learn math simply because we hand ...

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By
Sarah Hampton
posted
01-03-2019

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Modeling Math Using PhET Simulations
I was talking with a former teacher recently, and she commented on how easy it is for today’s teachers to access resources from all over the world. We really are fortunate to live in the age of widespread digital technology. On the other hand, the sheer volume of educational materials out there can be paralyzing! It frequently takes me as long to locate high-quality resources as it does to create my own by the time I filter through the pseudo-educational junk. So when I find something I like, I get excited to share it with other teachers. In this post, I want to tell you about an award-winning resource called PhET ...

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By
Robert Berry
posted
12-21-2018

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Connecting Charting a Course for Success with Catalyzing Change
In his May 2017 President’s Message, NCTM President Matt Larson boldly stated that “ Mathematics education is STEM education .” He argued that mathematical understanding is an essential foundation across all disciplines of STEM. The Committee on STEM Education of the National Science and Technology Council recently issued Charting a Course for Success: America’s Strategy for STEM Education stating that mathematics is foundational to the development of success across all STEM fields of study. This report outlines a federal strategy for the next five years across the content areas ...

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By
Sarah Hampton
posted
12-19-2018

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We know it isn't this... but what is it??? Since a math researcher told me about the work of Richard Lesh, I’ve been reading everything I can get my hands on about modeling in math. One thing I’ve learned is that modeling is a versatile and deceptively simple word! Even the experts use the same word to mean different things in different contexts. (Check out the TCM article, Common Core Confusion about Modeling , for instance!) So first, let’s start with some working definitions. I’m going to focus on two specific types of modeling that I find particularly useful in my classroom: Modeling with Mathematics and Mathematical Modeling.
What is Modeling ...

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By
John Stevens
posted
11-20-2018

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When I was a kid, I remember wanting to be helpful. It didn’t matter if it was in the garage, the kitchen, the family room, outside, or elsewhere; I really enjoyed helping with tasks. While I would like to think that it was something inherent, further reflection leads me to believe it had a lot to do with empowerment. From an early age, my parents and extended family wouldn’t have me complete menial tasks. Instead, they involved me directly with the creation/destruction/modification of whatever we were working on at the time.
As a way of closing out this mini-series on ways in which parents of middle school students can support and foster their love ...

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By
John Stevens
posted
11-08-2018

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Bringing Up The F Word With Your Middle Schooler
By now, students in middle school have been exposed to the F-word. It has been used by their classmates for a few years now, and slowly but surely, it has stirred up more and more trouble. After all, the general consensus around the word in society is rather negative. Yep, people all over the world avoid the F-word at all costs...
Fractions.
Whew. OK. I said it. Did that cause a visceral reaction? Did you clutch your chest, leaning back in your chair as you read it? Maybe it wasn’t that dramatic, but there are countless students across the country, and adults taking care of them when they ...

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By
John Stevens
posted
10-22-2018

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I’m going to avoid the rhetorical question of “Have you ever argued with a kid in middle school?” because, well, it seems as though the ability to disagree is woven into teens, especially those in middle school.
Is that a bad thing?
Sure, I don’t want my students, or my own children, constantly forming opposition to my requests, expectations, or ideas. However, there is a difference between defiance and disagreement and we need to do a better job of nurturing the latter as a way of mitigating the former. By nature, human beings are curious, inquisitive, and cautionary. When we get into a situation that is unfamiliar, we make assumptions. When those ...

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By
John Stevens
posted
10-08-2018

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“Ugh, really? Math ? Pffff, c’mon. Can we talk about anything else?” - Most middle schoolers any time a parent tries to bring up something math-y
How many pipes do you see? How did you count them up? Can you think of a different way to approach that stack?
This picture, taken on a drive home with the kids in the back of the car, brought forth a ton of great ideas. For me, I took the stack and cut it up into pieces, then found a length and width to determine an area. You didn’t do that? Great! What was your approach? How about your child’s?
There’s something enjoyable about working with students in the middle grades. Their candid ...

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By
Kathy Henderson
posted
09-24-2018

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When I was a child (back in the 1980s), my friends and I loved playing a guessing game called Guess Who ? In this game, one person chose a character and the other person had to ask yes or no questions to determine which character was chosen. Desmos has created a math version of this, Polygraph .
I often use Polygraph with my students at the beginning of a unit, when I am introducing a topic. Shown below is the Polygraph I used with my 7th-grade accelerated group at the beginning of our Transformations unit. Students are shown an array of choices. One student picks a choice that the other students must ask yes or no questions to identify. ...

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By
Evgeny Milyutin
posted
09-10-2018

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Let’s look at the labor demand expected in US by 2030. McKinsey Global Institute recently published a report about automation in the US and its effect on the job market. It shows that there will be a drop in demand for labor with secondary or less education (due to Artificial Intelligence, robots, and other automation), and a jump in demand for a college-educated workforce.
Therefore, teachers will be expected to continue to make a push for college readiness to fulfill the market demand. However, according to The Nation's Report Card only 25% of students performed at or above proficient level in math on the most recent assessment. Another report says, ...

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By
Kathy Henderson
posted
09-10-2018

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My Favorite No
One of my go-to and favorite activities is the error analysis task of My Favorite No. Originally created by Leah Alcala from Berkeley, California, this is a task that I use often with my students. I have often looked through my Activity Builder (AB) answers and have seen some creative, but incorrect answers from my students. In looking through the answers, I find one that I can tell what the student was thinking and what misconception they have regarding the topic. I take a screenshot of the solution and the question that it answers and use it as a question for the class to discuss.
In the Point Collector AB , one ...

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By
Kathy Henderson
posted
08-27-2018

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The Dashboard
In my last post, I introduced one of my favorite Desmos activities, Point Collector: Lines. When I run this activity with my students, the Teacher Dashboard allows me to augment/pace the activity to create opportunities for discussion in my class. While my students are working, often in groups of two to three at a computer, I walk around my classroom while I am glancing at the Dashboard - this allows me to interact with the students while checking on their progress and understanding of the activity.
Parts of the Dashboard
The dashboard consists of the list of students, slide previews, and three teacher buttons: Anonymize, ...

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By
Robert Berry
posted
08-15-2018

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This blog is for The Virtual Conference on Mathematical Flavors . I am honored to be a keynote. The discussion below is based on what I consider to be my seminal work as researcher and educator. Unpacking the mathematical experiences of Black boys is a "flavor" that we must be intentional about if we are serious about equity work. Bilal's Story
Bilal is an eighth-grade Black boy who has been successful with school mathematics and school in general. Bilal stated that mathematics is an easy subject for him to learn because he likes mathematics and he loves the challenge of problem solving. In fact, he credits his father for helping him develop a love for ...

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By
Kathy Henderson
posted
08-13-2018

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Why Desmos?
My classroom is a noisy one - full of discussions, debates, and even arguments. This is not how it always was. When I first started teaching, my desks were lined up in rows and students worked quietly on problems after being shown a lesson on the board. We would go over the problems the next day in class and this pattern would repeat - day after day. Luckily enough, a couple of years ago, I attended a Bay Area Math Project Conference that was led by Dan Meyer . Dan showed us a website on which we were able to draw a function that related time versus a man’s height when he was shot out of a cannon. There were oooohs and ...

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By
Lybrya Kebreab
posted
07-30-2018

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How can we promote mathematics play in more classrooms? What is within our power to make playfulness a norm in maths class? To be honest, there is no special magic necessary here. The strategies offered will not be especially new or profound. However, their effectiveness can be thought of as directly proportional to the commitment of teacher leaders to implement them consistently and with fidelity. Truthfully, it will take courage to disrupt the status quo.
First, we must become adept at planning with play in mind in our own classes and/or schools. Playful mathematics still puts student learning at the forefront of lessons. Through the use of multiple measures, ...

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By
Lybrya Kebreab
posted
07-16-2018

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Why?
Why should students engage in the study of mathematics? For a satisfactory grade? To graduate from high school and subsequently receive admission into a “good” college? If these were sufficiently motivational, we would likely not even be asking this question in the first place! We should engage students, and consequently re-engage as necessary, in maths because we want to flourish as human beings. Francis Su reminds us that mathematical study builds virtuous basic human qualities and desires, such as hopefulness and perseverance, perceptive insight, joy and a sense of justice through play, truth-seeking, appreciating beauty--all resulting in the ...

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