Multiplication of Rational Numbers
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Illustrates various methods for teaching the multiplication of rational numbers by means of rectangular regions and estimation. Stresses the need to obtain upper and lower estimates of products. Shows a professor demonstrating ways in which visuals can be used to help explain this process.
Copyright
Registered 5Aug70 · MP21066 (Jan-Jun 1971) Copyright holder: General Learning Corp Production company: Davidson Films
Complete catalog record
Illustrates various methods for teaching the multiplication of rational numbers by means of rectangular regions and estimation. Stresses the need to obtain upper and lower estimates of products. Shows a professor demonstrating ways in which visuals can be used to help explain this process., NOTE: Two (or more) records have been merged together to create this data.
Related films
Sources
- 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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