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Billstein, Rick – Mathematics Teaching in the Middle School, 2004
This article, which originally appeared in the May 1998 issue of "Mathematics Teaching in the Middle School," explores the runway numbering system. The activity described in this paper furnishes an excellent setting for discussing rounding rules and, in particular, what to do if the digit to the right of the place to be rounded is equal to five. A…
Descriptors: Middle School Students, Learning Activities, Secondary School Mathematics, Mathematics Instruction