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<p>I think what oldfort is talking about is that your experience is not necessarily typical, nor does ‘normal high school math’ in the U.S.A. necessarily prepare a student adequately for standardized testing, because the textbook content, the manner of teaching, the competency of that teacher, and even the course curriculum designated, is not standardized. It is so not standardized that one of my colleagues in education went on to get a higher degree so that he could come back to my State and be a policy wonk for the absolutely horrid teaching of math, K-12. In one of my eighth grade math classrooms (a suburban, not a poor urban school), the nevertheless competent teacher was given an 11th grade text to try to teach students who didn’t have their math facts down yet and couldn’t do factoring for algebra. </p>
<p>In situations like those, and further on the high school level, public school teachers often have to spend inordinate amounts of time re-teaching earlier math, which means not all the current course material is covered.</p>
<p>Secondly, there’s been the faddish Integrated Math trend that has developed for the high school level. First of all, that’s fine if the students are all up to speed on the various strands, going into the course – but usually they’re not (due to highly non-standardized previous teaching and testing). In addition, there are some math fields that do need to be taught specifically. You can’t integrate geometry until you’re taught the principles and proof-method. Very often teachers who are good at anything but geometry are placed in these positions, and then the geometry reasoning is not adequately taught for any standardized test.</p>