New Redemption Grab Bag now includes an assortment of 500 cards from five (5) different expansion sets. Available at Cactus website.
Passed along by a friend on Facebook. I have never seen this before in 13 years of teaching math.
I've got 6 years on YMT and I never saw this before! Of course, I've eaten way more slices of pie than the number of equations I've solved using pi. Yeah, that's right. I duz the maf. 1 + 1 = 10.
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I'm completely missing the Pi one.