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Re:An update on the campaign to defend serious math educatio... by texaslonghorn5 on Tuesday April 26, 2022 @02:40PM (#31171396)
You're right, it's a hunch (n=1.5±0.5).
Re:An update on the campaign to defend serious math educatio... by chadash on Tuesday April 26, 2022 @03:37PM (#31172161)
When I was in kindergarten, I used to do math booklets at home with my mom for fun. I learned basic multiplication sometime around then. 13 years later I majored in engineering.

So I'm not saying it can't be done by any 5 year olds, but it seems young to teach this to the majority of 5 year olds.