Twice five plus the wings of a bird
By: British Broadcasting Corporation.
Contributors: British Broadcasting Corporation.
Publisher: BBC
Published: 1986
Place of publication: London
Language: eng
Format: Videorecording
Number of pages: 50
Subjects: Educational innovations.; Learning, Psychology of.; Mathematics -- Study and teaching (Elementary)
Description: Concerns a recent revolution in the teaching of mathematics which allows children to invent their own problems and puzzles.