By geometric instruments, I mean using a ruler to draw a line that is say 85 mm long, drawing a circle using a compass, measuring angles using a protractor. UI seem to recall having started doing this at the age of about 10.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: 08 February 2011 19:59 To: U.S. Metric Association Subject: [USMA:49815] Re: STEM metric foundation in America Proposal Martin, Please explain what you mean by "geometric instruments" and at what age (or grade) level they should be employed in education about SI. Gene. ---- Original message ---- >Date: Tue, 8 Feb 2011 19:32:21 -0000 >From: "Martin Vlietstra" <[email protected]> >Subject: RE: [USMA:49798] Re: STEM metric foundation in America Proposal >To: <[email protected]>, "'U.S. Metric Association'" <[email protected]> > >I suggest that millimeters should be introduced as part of teaching the use >of geometric instruments. > >-----Original Message----- >From: [email protected] [mailto:[email protected]] On Behalf >Of [email protected] >Sent: 08 February 2011 02:40 >To: U.S. Metric Association >Subject: [USMA:49798] Re: STEM metric foundation in America Proposal > >Great idea, Tim. Use the STEM and "Competitiveness" initiatives to promote >SI. >The "kits" must be appropriate for grade level. i.e. Different contents! >NIST standard SP 811 is *free* and should be included, at least for High >Schools. >The centimeter *is appropriate* for early elementary pupils as Jim asserts. >The millimeter is best for industry, but not for elementary education. >You include "mass sets" with the balances. Fine! But "weight" sets >contradict a resolution by the CGPM that "weight is a force" not identical >with mass. >Gene Mechtly. >...
