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[Makeover] These Tragic “Write An Expression” Problems

We need to do something about these problems, which recur all throughout school Algebra. The original title of this post called them “horrible,” but they’re truly “...


Computational algebra in Lisbon

This week I was at a very nice workshop on Computational Algebra in Lisbon. Rarely do I learn so many new things at a conference, although it was only three days in duration. Here are som...



Decimal Mistake in the News

Decimal points are small, and so easy to lose.  And it appears that many of them were lost on FAFSA (Free Application for Federal Student Aid) forms, which is NOT a place that you would w...



Your Mid-Week Must-Read: Why Do Americans Stink At Math

Elizabeth Green compiles the history of math education in the United States from New Math to the Common Core: Americans might have invented the world’s best methods for teaching math to c...




The human factor

A recent Telegraph article suggests that “females, as a whole, are not hugely engaged by science.” Emphasis mine: The problem with science is that, for all its wonders, it lac...



A Better Definition Of “Personalization”

David Wiley: For me, personalization comes down to being interesting. You have successfully personalized learning when a learner finds it genuinely interesting. Providing me with an adapt...



Math Teachers at Play #76

[Feature photo (above) by U.S. Army RDECOM. Photo (right) by Stephan Mosel. (CC BY 2.0)] On your mark… Get set… Go play some math! Welcome to the 76th edition of the Math Teac...




Submissions requested for the next Carnival of Mathematics

It’s been quite some time since I hosted a Carnival of Mathematics with the last one being #90 back in September 2012. I am very pleased to announce that I’ll be hosting #113 ...



Associativity vs. Distributivity

A binary operation is associative is . Examples of associative operations include addition, multiplication, connect-sum, disjoint union, and composition of maps. A binary operation is dis...




Mathematicians take this survey about your philosophical intuitions

A group of researchers in philosophy, psychology and mathematics are requesting the assistance of the mathematical community by participating in a survey about mathematicians’ philosophic...