Abstract
With increased emphasis on implementing national and local standards in the classroom, educators are searching for authentic learning tasks and evaluation strategies. The NCTM's Curriculum and Evaluation Standards for School Mathematics (NCTM 1989) encourages teachers to provide students with real-life problems and mathematical explorations. One such problem, presented in sports-fishing magazines, is developing a formula that predicts the weight (W) in pounds of a game fish given its length (L) in inches. Since length is easier to approximate, or actually measure, than weight, the length of the fish is considered the independent variable, and weight, the dependent variable. Sternberg (1996, 58–59) and Giordano and Weir (1985, 59–62) suggest the formula
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