Activity 4

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Activity 4 - Proportions and ratios.[edit | edit source]

Written by Jacob, sent out on 6/28/2013.

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Activity 4, Version 1

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Activity 4, Version 1

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From Jim, sent 6/28/2013 - There is bound to be some ambiguity about what "old, rusty" means. I think you intend that the reading is inaccurate, but still linear. It might be better to describe a situation in which "the mainspring is replaced with the incorrect part, so that the scale reads incorrectly, but still linearly." You need to tell the students to make that assumption.