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2013 Conference Proceedings - University of Nevada, Las Vegas

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Table 1Identified Mathematical Practices by PST and by Problem (Problem Set #4)PST P1 P2 P3 P4 P5 P6 P7Alejandra 7 1 8 3 1 1, 3 1, 3, 4, 5Amie 1, 6 7 2 2 none 1, 2 4Blondell 4, 8 2, 6 1, 6 7 1 2 8Bulah 2, 4, 5, 6 1, 5, 8 1, 5, 6 3, 5 1, 3, 4, 6, 2, 3, 4, 7 47, 8Jamie 1, 8 1, 5 6, 8 1, 8 1, 5 none 1, 4, 5, 6Kelly 1, 3, 6 1, 4, 5 1, 3, 4, 5 1, 4, 5, 6 1, 6 1, 3, 4, 6 1, 8Kurt 2, 4, 7 5, 6 2, 3 1, 4, 7 2, 4, 5, 7, 8 1, 8 1, 4, 6Loraine 2 1 7 6 1 3 1, 4, 6, 8Myra 1, 3, 4, 5 1, 2, 3, 5 1, 2, 3, 5 1, 2, 3, 5 1, 3, 4, 5 1, 3, 4, 5 4Neil 1, 3, 4, 8 1, 4, 5 1, 4, 6, 8 1, 5, 6 1, 5, 6 1, 6 1, 4, 5, 6Stella 1, 2, 5, 6 1, 3, 4, 5, 1, 3, 7 1, 2, 4, 5 1, 2, 5, 7 none noneValene 1, 4, 5, 6,7, 8Table 26, 71, 4, 5, 6,7, 81, 4, 5, 7 1, 4, 5, 7 1, 4, 5, 7 1, 4, 5, 7 1, 5, 7, 8Identified Mathematical Practices by PST and by Problem (Problem Set #5)PST P1 P2 P3 P4 P5 P6 P7Alejandra 1, 4 4 3, 7 3, 7 8 1, 3 3Amie none 1 2 6 3 4 noneBlondell 3, 7 4 4 4 2 4 4Bulah 1, 4, 5 2, 4, 5, 8 1, 2, 5, 7 2, 3, 5, 7 1, 3, 8 1, 4, 5, 6 1, 4, 5, 6Carlene 1, 4, 7 1, 4, 6 2, 4 1, 3 3 2, 4 2, 4, 7Jamie 2, 4 1 6, 8 1, 7 1, 7 1, 4, 5 1, 4, 5Kelly 1, 2, 3, 4, 6 1, 3, 5, 6 1, 2, 3, 6 2, 3 1, 2, 3 1, 2, 3, 4, 1, 4, 5, 65, 6Kurt 1, 4, 6 7 1, 4, 7 6, 7 4, 6, 7, 8 6, 7 1, 2, 7 1, 3Loraine 1, 2 4 3 1, 3 3, 8 1, 2 1, 4Myra 1, 3, 4, 5, 6 1, 3, 4, 5 1, 2, 3 1, 3, 4, 5, 6 1, 2, 3, 6 1, 3, 4, 5, 6 1, 3, 4, 5Neil 1, 4, 6 1, 4, 5, 6 1, 4, 5, 6 1, 3, 4, 5 1, 3, 5, 6, 8 1, 3, 6 1, 5, 6Stella 1, 2, 3 1, 2, 5, 6 1, 3, 7 1, 2, 3, 6, 7 1, 2, 7 1, 4 1, 2, 3Valene 1, 4, 5, 6 1, 4, 5, 6, 7 1, 4, 5, 6 1, 4, 5, 6, 7 1, 5, 6, 8 1, 4, 5, 6 1, 2, 4, 5As illustrated in the tables above, there was a reasonable degree <strong>of</strong> variability in themathematical practices (MPs) chosen amongst and within problems, and amongst and withinPSTs for each problem set. In addition, there was a reasonable degree <strong>of</strong> variability amongst thecombinations and number <strong>of</strong> practices chosen. For example, for problem #2 <strong>of</strong> Problem Set #4(Table 1), the number <strong>of</strong> practices chosen by any one PST ranged from one (Amie) to six(Stella). Furthermore, although Bulah and Blondell each solved problem #1 <strong>of</strong> Problem Set #5showing very similar written work, Bulah identified the problem as involving MP.3 and MP.7,whereas Blondell identified MP.1, MP.4, and MP.5.<strong>Proceedings</strong> <strong>of</strong> the 40 th Annual Meeting <strong>of</strong> the Research Council on Mathematics Learning <strong>2013</strong> 10

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