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original photo from Richard Masoner Edited by Brian Not sure what got me thinking about this today, but I was musing about the commutative property, and how it applies to addition and multiplication. (Yeah, it was a pretty boring morning.) Specifically, I was thinking about the word, “augend”. The augend of an addition problem is [...] Original photo by didbygraham Q: When is a Compromise not a Compromise? We talked about “red herrings” in the previous posts about “The Case of the Missing Dollar.” I occasionally do after-school presentations of MathMagic for the C.R.O.P. program in rural upstate New York. I’ve been participating in the program for years, [...]
Original Photo by Norsehorse Edited by Brian Ah, I love it when readers beat me to the punch! The comments to the original post pretty much sum up the paradox and it’s solution very well. Khaled’s and Mark’s comments illustrate perfectly one of the things I wanted to point out about this puzzle. That point is: Just [...]
Original Photo by Norsehorse Edited by Brian There’s a braintwister that’s been going around the internet, well, probably ever since there was an internet. It’s actually probably thousands of years old in one version or another. You may have seen it phrased like this: Three men go into a motel. The man behind the desk said [...] I found this on a weird little personal blog: Why has math been hated by some? Because it requires them to think and forces them to give the correct and exact value. Math has a clear distinction of right and wrong. Most people love to speak about any issue, but hate to accept that they’re wrong. That’s [...] Are you a homeschool parent struggling to teach your child math? Or are you just frustrated by the way your kid’s school teaches math? You’re definitely not alone, and you’re in great company. Here is part of a story from a father who faced the same thing. It’s a comment left by Mark, a reader [...] (Or “The Seamus on Mitt Romney”) Sometimes you read a story that just grabs you. I got one forwarded to me today that, at first glance, seems to have nothing to do with math. But since Math Mojo readers know that math is more meaningful than that stuff they shoved down your throat in school, [...] |
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