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Comments on Puzzle #31409: Chisenbop
By Brian Bellis (mootpoint)

peek at solution       solve puzzle
  quality:   difficulty:   solvability: line logic only  

Puzzle Description Suppressed:Click below to view spoilers

#1: Brian Bellis (mootpoint) on Jul 7, 2018 [SPOILER]

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#2: besmirched tea (Besmirched Tea) on Jul 7, 2018 [SPOILER]
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#3: Norma Dee (norm0908) on Jul 7, 2018
Worked with a very nice lady from China who was a whiz with an Abacus which she brought to work one day. The rest of us decided that the only advantage we had was that our machines printed a tape. :)
#4: Belita (belita) on Jul 7, 2018
I've used that method for years, but I didn't know it had a name.
#5: besmirched tea (Besmirched Tea) on Jul 8, 2018 [SPOILER]
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#6: Maida Corby (sweetmaida) on Jul 8, 2018
I learned that as a kid, from some workbook that my grandfather mailed off for. I never understood why it wasn't taught in school.
#7: Ron Jacobson (shmily999) on Jul 9, 2018
Me too, Maida.
#8: Brian Bellis (mootpoint) on Jul 9, 2018 [SPOILER]
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#9: BlackCat (BlackCat) on Jul 9, 2018
Kinda fun.
#10: Koreen (mom24plus) on Jul 11, 2018
um...keeps kids from learning math facts? do we still do that? my kids learned how to use a calculator in the public school. I'm the one who chose to make them memorize the facts, how to "carry the one," "check/prove" the division, etc, etc. They didn't have to memorize anything in the higher maths, either.
All my kids were home-schooled at one time or another, for different reasons, and I took advantage of the time - not letting them slide on ANYTHING lol
#11: Koreen (mom24plus) on Jul 11, 2018
Even being away from school for 35+ years, not needing it for any reason on a daily basis, I still know that AxA + BxB =CxC among other things
#12: Norma Dee (norm0908) on Jul 11, 2018
Good for you, Koreen. Educators keep coming up with weird and overly complicated ways to do math or as you mentioned just use a calculator. I still (after more years than I would like to count) use basic algebra when it's not too complicated.
#13: Belita (belita) on Jul 16, 2018
I don't believe in memorizing math facts. You just forget them. You need to internalize them, and you do that by picturing them in your mind. Counting on fingers helps that process.

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