Oh really? This is even more eye opening...

来源: 2008-09-16 14:51:32 [旧帖] [给我悄悄话] 本文已被阅读:

How does one do that? Teaching kids at home?

I saw a 2nd grader doing 6th grader singapore math during the summer by the swimming pool. I was wondering what was going on with the kid. Now it makes sense...

What do the kids do at school if they are so advanced in math?