Bibliography

Bradford, John (1987). Geoboard Teacher's Manual. Ft. Collins, CO: Scott Resources, Inc. (Bradford's manual is an excellent source of geoboard-related ideas.)

Burns, Marilyn (1992). About Teaching Mathematics: A K-8 Resource. White Plains, NY: Cuisenaire Company of America. (Includes many interesting activities on pp. 95-99, including a discovery lesson on Pick's theorem.)

Geddes, Dorothy, et al. (1992). Geometry in the Middle Grades. Reston, VA: National Council of Teachers of Mathematics. (Activity 5D on p. 37 is entitled "Patterns on a Geoboard"; Activity 5E, "Pythagorean Theorem," also uses the geoboard.)

McElduff, Ryan and Michael Oberdorf (1992). Try It! Geoboards. White Plains, NY: Cuisenaire Company of America. (Includes 24 cards of challenging problems, which are really quite easy if you know Pick's theorem.)

Spikell, Mark A. (1993). Teaching Mathematics with Manipulatives: A Resource of Activities for the K-12 Teacher. Boston: Allyn and Bacon. (Chapter 2 is entitled "Motivating the Pythagorean Theorem with Geoboards.")

Trivett, John V. (1983). Introducing Geoboards. New Rochelle, NY: Cuisenaire Company of America. (Consists of 56 cards of basic introductory material)

Welchman-Tischler, Rosamond (1992). The Mathematical Toolbox. White Plains, NY: Cuisenaire Company of America. (Challenge Set 3 contains many good geoboard-related ideas.)