Category Archives: K-12 Mathematics

The Pseudocontext 2016 Deserves

2016 has been the year of the lolsob. I have my reasons for feeling that way, and I’m guessing you might too. In that light, I’ve especially started looking forward to Dan Meyer’s “pseudocontext Saturday” posts. In each one, he finds a picture … Continue reading

Posted in K-12 Mathematics, Math Education | Tagged , , , , , | 1 Comment

Which One Doesn’t Belong?

1, 2, 4,…. What’s the next number in the sequence? I was a rule-follower as a kid, so I always got the “right” answer on questions like that, but they still bugged me. Sure, 8 would be predictable, but why … Continue reading

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Algebra: It’s More Than Just Parabolas

Our old pal Andrew Hacker is back at it again. With the publication of his new book and a spate of recent media appearances, he is a man on a mission. A professor emeritus in the Department of Political Science … Continue reading

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Getting Warmer…

I’m currently teaching a summer school for high school students. Our main focus is number theory and its applications to cryptology, but I like to start each morning with some kind of warm-up math puzzle or game. I know plenty … Continue reading

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Prepare to Be Nerdsniped

You have a lot of bags, and you want to store them by stuffing all of them into one of the bags. For n bags, how many ways are there to do this? I’ve spent a good amount of time … Continue reading

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Alias, Schmalias

While the great line from Romeo and Juliet: “a rose by any other name would smell as sweet” rings true, would a digital rose smell as sweet?  We often think of the digital world as a mere “renaming” of the … Continue reading

Posted in Applied Math, K-12 Mathematics, Math Education, Mathematics and Computing, Recreational Mathematics | Tagged , , , , , , , , , , | 1 Comment

Awesome K-12 Math Teachers Exist! And they have blogs.

I sometimes get tired of hearing about how “teachers (meaning K-12 teachers) just don’t understand this or that, or won’t try doing something new,” or are deficient in some way or another.  We often advise teachers to let go of … Continue reading

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My Top Ten Issues in Mathematics Education

What are your “top ten”?  Sue VanHattum, a full time faculty member at Contra Costa College inspired me with her wonderful top ten list . Below are my top ten Issues in Mathematics Education.  While this is my opinion, I do … Continue reading

Posted in Issues in Higher Education, K-12 Mathematics, Math Education, people in math, women in math | 9 Comments

Mistakes Are Interesting

I just finished grading my first midterms of the semester, and I’m learning a lot about how my students think through the mistakes they made. (With apologies to Tolstoy, I’m definitely experiencing a bit of “correct solutions are all alike; … Continue reading

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Rankings, Standards, and Inquiry, Oh my!

Ranking As concern for K-12 standards in public education has come to a head,  the quality of teaching and learning in our public universities has also come under public scrutiny.  Recently, President Obama announced that he wanted to rework the … Continue reading

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