Math Edu Tidbits

powers and roots" last week .... you know fractional exponents and negative exponents and such, and to answer the age old query of "who uses this stuff?" .... (or more often put "when am I ever going to use this?"), I scanned through my resources and found a problem that I expanded upon to take all period. It had to do with an equation relating the mass of a mammal to the circulation time of the blood. ... and as part of the problem, they used the given equation to calculate the circulation times of various mammals. One of the mammals was the blue whale, and that just fascinated everyone (me included). There are tons of cool sites on the blue whale.

how do you freshen up your shoes after the smell has been baked into them

oh, #9 should be no problem ... or "easy"" or something like that. Stop It! That's a no win statement. If the kid gets it right, then she/he is like, "big deal, it was an easy problem". If the kid doesn't g