# Division Algorithms (1965)

Shows why many commonly used algorithms confuse elementary level students. Outlines meaningful division algorithms based on multiplication and subtraction. Traces the history of dolphin lore from antiquity to the present. Follows a group of divers in the Bahamas as they use an underwater piano to attract a school of dolphins.

- Kind: Educational
- Year: 1965
- Runtime: 29 min
- By: National Council of Teachers of Mathematics, Davidson Films
- Genres: Education, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/divisionalgorithms)
- Licence or status: none stated by the archive
- Who can watch: Kids profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/divisionalgorithms?play=1)