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Re:Calculus for Seven Year Olds [pdf] by forgotmypw17 on Friday June 11, 2021 @03:10AM (#27470214)
I think your ideas about what a certain age can do are heavily skewed by the overall state of your area's education.
Re:Calculus for Seven Year Olds [pdf] by mashka on Friday June 11, 2021 @05:27AM (#27471039)
100%. As an experiment, one could look up a sample curriculum for preschool in different areas. The divide is massive.

A quick google search using US UK and Russia shows this very nicely.

Re:Calculus for Seven Year Olds [pdf] by casion on Friday June 11, 2021 @08:14AM (#27472236)
You're absolutely correct, but it proves my point.

I taught in a state that's consistently rated in the top 5 for public education. The specific institution I worked at was a private school with admissions tests well above the public curriculum.

When I worked in lower grades, the children were not particularly gifted, but they were among the top for their age/grade in the US.