An expert argues that the "strands" of structure used in mathematics education have significantly weakened the effectiveness of US school mathematics. During the "New Math" movement of the 1960s, a ...
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!339451~!0#focus ...
Well, it can also equal zero, one or ten. Anyway, that's what Theodore Herberg, director of research and curriculum in the Pittsfield schools, says in a new textbook he's written. To be specific: "1 ...
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