Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2xv/ Esercizi: http://www.khanacademy.org/exercises?exid=multiplication_3 Traduzione in Italiano del video Multiplication 6: Multiple Digit Numbers http://www.youtube.com/watch?v=-h3Oqhl8fPg http://www.khanacademy.org/video/multiplication-6--multiple-digit-numbers?playlist=Arithmetic Help us caption & translate this video! http://amara.org/v/B2xv/