1. Teaching Math in 1960: A logger sells a truckload of lumber for $100. His cost of production is 4/5 of the price. What is his profit? 2. Teaching Math in 1970: A logger sells a truckload of lumber ...
Meet the New Math, Much Worse than the Old Math “It took parents 17 years to overturn the tragic 1989 curriculum mistake made by the so-called education experts who demanded that schools abandon ...
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