[Okay he missed some of that. For one, he doesn't know what's up with bending or who the other people are (though he does know Katara, interestingly) but... the principle of it hits him and he looks both impressed and surprised]
You beat him using math? Man, so you're strong and smart, just like my classmates!
[Action]
You beat him using math? Man, so you're strong and smart, just like my classmates!