Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2up/ Esercizi: http://www.khanacademy.org/exercise/divisibility_0.5 Traduzione in Italiano del video Recognizing Divisibility http://www.youtube.com/watch?feature=player_embedded&v=2G_Jr_XpnY4 http://www.khanacademy.org/math/arithmetic/factors-multiples/v/recognizing-divisibility Help us caption & translate this video! http://amara.org/v/B2up/