The third in a series of posts comparing the introduction of trigonometry in traditional high school math vs. the Reform Math program Interactive Math Program.
I. The next two pages of the first trigonometry chapter in A Second Course in Algebra (published in 1937), pp.397-398 [click to enlarge]:
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3 comments:
Not quite sure what the Tower of Hanoi problem has to do with trigonometry.
We have one partial victory!!!
Our kids' (private, L.A.-based) school sent out a letter today to parents saying that they are switching their "core" program from EM to Singapore "Math In Focus". However, the victory is very minor: they're only doing it for K and 1, and leaving 2, 3, 4, 5, 6, 7, and 8 with EM & Chicago Math. Those grades will have to wait a while. We're not sure about the roll-out time table, but it might be only the class of 2020 that gets the benefit of this.
Still, partial is better than nothing.
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