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To: afraidfortherepublic

http://www.nsa.gov/academia/_files/collected_learning/elementary/arithmetic/two-digit_subtraction.pdf

Why the NSA?


9 posted on 01/25/2014 9:49:09 AM PST by Dalberg-Acton
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To: Dalberg-Acton

I’ve spent the last 2 weeks in California handling my 100 year old mother’s estate. While dining at Denny’s one afternoon, I observed a foursome — grandmother and grandfather, a daughter, and a 9 year old boy — pouring over a texbook and work sheet. They seemed like intelligent folks, but they couldn’t solve the problems. Grandpa lifted the cover of the book so that I could read it: “California Math”!

That name offends me to the core, even though I was born and raised in California. There is such thing as “California Math!”

Anyhow, I heard the grandfather say, “Estimate? hat’s all this estimating for? In the first place, (reading from the book) you can’t ‘round-up’ 420 to 450! It’s just not right!”


16 posted on 01/25/2014 5:54:58 PM PST by afraidfortherepublic
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