BCCEPost17c - ? 1 Student test scores in math computation...

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2 Student test scores in math computation and the implications for chemistry instruction Presented 8/2/2010 at the Cognition Symposium of the ACS Biennial Conference on Chemistry Education (BCCE) By Rick Nelson, Retired Instructor EANelson@ChemReview.Net
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3 In my view, (Vote for ONE:) In first -year chem, the math background of entering students is: A. A major problem B. A minor problem C. Not a problem
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4 Vote for ONE: In 1 st year chem, it is most important for students to have background knowledge in A. Use of a calculator B. The theory of mathematics C. Math computation
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5 -- Zumdahl, 5 th edition
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6 -- Brown, Lemay, 8th Ed. p. 368
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7 Vote for ONE: In 1 st year Chem, it is most important for students to have background knowledge in A. Use of a calculator B. The theory of mathematics C. Math computation
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8 NCTM standards = ?
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Raise your hand IF you consider yourself to be a Constructivist 9
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Background Knowledge “The most important single factor influencing learning is what the learner already knows.” -- David Ausubel 10
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11 Virginia Math Results: VA all students Grade 9 1998 1999 2000 2001 2002 Total Math 54 55 55 55 55 Stanford 9 standardized test given statewide National percentile median = 50 on 1995 norms
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12 Two sub tests were reported, described as “Math Problem Solving , which focuses on reasoning skills, and Math Procedures , which measures the student’s facility with computation .”
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13 Virginia Math Test Scores VA Stanford 9 Grade 9 1998 1999 2000 2001 2002 Total Math 54 55 55 55 55 Problem Solving 58 61 63 64 65 Procedures 46 44 42 41 39 All state 9 th graders: 80,000 students/year in 134 independent districts.
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14 Virginia Math Test Scores VA Stanford 9 Grade 9 1998 1999 2000 2001 2002 Total Math 54 55 55 55 55 Problem Solving 58 61 63 64 65 Procedures 46 44 42 41 39
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15 VA Stanford 9 Grade 9 1998 1999 2000 2001 2002 Total Math 54 55 55 55 55 Problem Solving 58 61 63 64 65 Procedures 46 44 42 41 39
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16 VA Stanford 9 Grade 9 1998 1999 2000 2001 2002 Total Math 54 55 55 55 55 Problem Solving 58 61 63 64 65 Procedures 46 44 42 41 39 “Total Math” hides math computation. Reasoning did not help computation. 39 th percentile = not ready for chemistry 134 independent districts = sample of nation?
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17 Next three slides from: Tom Loveless Brown Center on Education Policy of the Brookings Institution Presentation on Math Reform at AEI March 4, 2002
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21 -- Zumdahl, 5 th Ed. p. 218
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23 “The 1989 NCTM standards played the role of national standards…. Nearly all state standards after 1990 were modeled on the 1989 NCTM Standards .” -- from Computation Skills, Calculators, and Achievement Gaps: An Analysis of NAEP Items Tom Loveless, The Brookings Institution, April 2004
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24 The Math Wars Short history: A quarter century of US 'math wars' and political partisanship David Klein California State University, Northridge http://www.csun.edu/~vcmth00m/bshm.html longer version: http://www.csun.edu/~vcmth00m/AHistory.html
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BCCEPost17c - ? 1 Student test scores in math computation...

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