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Download full textNorton, Anderson; Baldwin, Michael – Mathematics Educator, 2012
This article confronts the issue of why secondary and post-secondary students resist accepting the equality of 0.999... and 1, even after they have seen and understood logical arguments for the equality. In some sense, we might say that the equality holds by definition of 0.999..., but this definition depends upon accepting properties of the real…
Descriptors: Secondary School Mathematics, Number Systems, Mathematics Instruction, College Mathematics
