Mathematical investigations. Book one ; a series of situational lessons - Souviney, Randall J.; Britt, Murray (Palo Alto, Calif. : Dale Seymour Publications, 1990)
"This U.S. edition is adapted from Investigations in Mathematics by M. Britt, S.V. Gargiulo ... "
Keywords: Mathematical recreations; Mathematics -- Problems, exercises, etc; Mathematics -- Study and teaching