Math Teachers at Play #93 via Math Misery? Blog

mtap93The December math education blog carnival is up for your browsing enjoyment:

The carnival is short this month, but full of treats. Enjoy!

“So here we are on December 23, 2015, the 93rd edition of Math Teachers At Play! As per tradition, what’s so fascinating about the number 93?

“First, it’s a prime number! No. Wait, that’s clearly false. So 93 is not a prime number. But that’s not very fascinating. Aha! But 93 is a semi-prime! since 93=31×3. Even more interesting is that 94 and 95 are semi-primes. So a question is, is there another triplet of positive integers that are also semi-primes? It’s a good question to ask your students! …”

Click here to go read the whole post at Math Misery? blog.

CREDITS: “celebrate trees” photo (top) by Lauren Manning via Flicker (CC BY 2.0).

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