We Use the Number Line

Animation and objects from everyday life introduce the number line as a useful way to represent numbers, and provide aid in understanding addition and subtraction.

Credits

Herbert F. Spitzer

Copyright

Related films

Sources

  1. 16mm Filmography (legacy record) — title, year, creator, length, format, color, description, catalog record
  2. Wikipedia — List of Coronet Films — title, year, creator, length, color, credits
  3. U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
  4. 16mm Filmography editors — sound