The rebel in me wants to reply "There are many elementary school teachers who are total losers, too." But I wouldn't do that, of course!
Ha Kriston - that's exactly what I was thinking. What a horribly insensitve thing to say!
And pink - I also wonder if your teacher can be directing that at another child or children? If you're daughter is working accurately, I don't see what the problem is? My DS every few weeks bring home a math worksheet that looks like he breezed through with several wrong. In that case - yep, slow done. Otherwise what's the problem.
A related story - My DS did some sort of standardized test yesterday and got done so early he brought home about completed 30 dot to dots. Guess he got done REALLY early.