Measurement muddle damages education

I recently received the following enquiry expressing concern about imperial conversions in school.

“My daughter brought home some homework last week which included learning some constants – e.g. 1kg = 1000g. Included in the list was 1kg = 2.2lb and 1 mile = 1.6km. I think it’s out of order for a school to be spending time on metric/imperial conversions. Imperial is dead and the school should help to bury it. Do I have a point, and should I talk to the teacher?”

[article by Phil Hall]

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