It is a test that you know your 7 or 8 times table. And the definition of a prime number (which could be given as part of the question, if not the curriculum).
I would expect most 9 or 10 years olds should know their times tables. Or am I wrong abut kids these days? On Mon, Jul 22, 2024 at 12:43:54PM -0600, Tom Johnson wrote: > Ms. O'Hara: > > RE your story Sunday, "Does proficiency give full picture?" > From your lede: > "Pop quiz: What number is both a prime number and a factor or 56"? > > If I understand correctly, this is a question on an exam given to fourth > graders, 9- or 10-year-olds. > Could you please point me to some source in the city or state education > departments who can tell me what short- or long-term value this question about > mathematics -- NOT arithmetic -- has for students that age? > > We live in a state where it is a rare cashier who can do the mental > arithmetic to make change from a $20 bill. Can we first find out if fourth > graders can do that before getting into primes and factorials? > *-- > ============================================ > Tom Johnson - t...@jtjohnson.com > Institute for Analytic Journalism -- Santa Fe, NM USA > 505.577.6482(c) 505.473.9646(h) > Visit Global Santa Fe > ============================================ > -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . > FRIAM Applied Complexity Group listserv > Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom > https://bit.ly/virtualfriam > to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com > FRIAM-COMIC http://friam-comic.blogspot.com/ > archives: 5/2017 thru present > https://redfish.com/pipermail/friam_redfish.com/ > 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ -- ---------------------------------------------------------------------------- Dr Russell Standish Phone 0425 253119 (mobile) Principal, High Performance Coders hpco...@hpcoders.com.au http://www.hpcoders.com.au ---------------------------------------------------------------------------- -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . FRIAM Applied Complexity Group listserv Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom https://bit.ly/virtualfriam to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com FRIAM-COMIC http://friam-comic.blogspot.com/ archives: 5/2017 thru present https://redfish.com/pipermail/friam_redfish.com/ 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/
