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Behr, M. & Post, T. (1988). Teaching rational number and decimal concepts. In T. Post (Ed.), Teaching mathematics in grades K8: Researchbased methods (pp. 190231). Boston: Allyn and Bacon.  






This chapter has been reprinted in Behr, M. & Post, T. (1992). Teaching rational number and decimal concepts. In T. Post (Ed.), Teaching mathematics in grades K8: Researchbased methods (2nd ed.) (pp. 201248). Boston: Allyn and Bacon. 