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Showing all 6 results
Peer reviewedLeonard, William A. – School Science and Mathematics, 1977
An activity is described in which PI is approximated by measuring the perimeters of regular polygons inscribed in a unit circle. (DT)
Descriptors: Elementary School Mathematics, Elementary Secondary Education, Geometric Concepts, Instruction
Peer reviewedBolduc, E. J. – School Science and Mathematics, 1977
Geometry and a hand-held calculator are used to find a value of pi accurate to five decimal places. (CP)
Descriptors: Calculators, Educational Media, Electronic Equipment, Geometry
Peer reviewedBidwell, James K. – School Science and Mathematics, 1994
Archimedes' method for estimating the value of pi is developed and compared with the Gregory-Machin infinite series method. Programs for the TI-81 calculator for finding the upper and lower bounds using the classical method and estimating pi using infinite series are provided.(Author/MKR)
Descriptors: Calculators, Courseware, Estimation (Mathematics), Geometry
Peer reviewedPyzdrowski, Laura; Holtan, Boyd – School Science and Mathematics, 1996
Presents an activity that explores the derivation of Pi. Involves students taking a constructivist role by collecting data, making conjectures, and using the data to construct graphs and tables and discourse about appropriate algebraic representations. Uses the computer as an instructional aid to enable students to view the data in a variety of…
Descriptors: Computer Uses in Education, Constructivism (Learning), Data Collection, Intermediate Grades
Peer reviewedHaga, Enoch – School Science and Mathematics, 1995
The repeating cyclic fraction, 1/7, provides a plausible explanation for use of the number 71.428571 (71 and 3/7) in cosmology; for 22/7 as a value for pi; and for concepts of time and circle division related to breaths per minute. (Author/MKR)
Descriptors: Elementary Secondary Education, Mathematics Education, Mathematics History, Number Concepts
Peer reviewedMaier, Bruce – School Science and Mathematics, 1972
Descriptors: Algorithms, Computer Oriented Programs, Computer Programs, Geometric Concepts
