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Lopez, Enrique J.; Shavelson, Richard J.; Nandagopal, Kiruthiga; Szu, Evan; Penn, John – Journal of Chemical Education, 2014
Problem solving is a highly valued skill in chemistry. Courses within this discipline place a substantial emphasis on problem-solving performance and tend to weigh such performance heavily in assessments of learning. Researchers have dedicated considerable effort investigating individual factors that influence problem-solving performance. The…
Descriptors: Organic Chemistry, Performance Factors, Academic Achievement, Problem Solving
Avital, Shmuel; Amit, Gideon – Mathematics Teaching, 1978
An exploratory problem is presented which involves the identification of all the ways a unit fraction with prime denominator can be written as a sum of two unit fractions. (MN)
Descriptors: Activity Units, Discovery Learning, Induction, Instructional Materials
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Brookshear, J. Glenn – American Mathematical Monthly, 1978
An example of a mathematical modeling problem involving student enrollment and attrition is given along with a discussion of methods and conclusions. (MN)
Descriptors: Activity Units, College Mathematics, Higher Education, Instructional Materials
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Field, David A. – American Mathematical Monthly, 1978
An example is given of a mathematical modeling problem involving the number of people that get on and off an elevator and the expected number of stops it makes. (MN)
Descriptors: Activity Units, College Mathematics, Higher Education, Instructional Materials
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Dana, Marcia E.; Lindquist, Mary Montgomery – Arithmetic Teacher, 1978
Given are activities involving the use of triangles and triangle paper, in the form of problems that require searching for different possibilities to fit a given condition. (MP)
Descriptors: Activity Units, Elementary School Mathematics, Elementary Secondary Education, Geometric Concepts