Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2xw/ Esercizi: http://www.khanacademy.org/exercises?exid=multiplication_4 Traduzione in Italiano del video Multiplication 7: Old video giving more examples http://www.youtube.com/watch?v=_k3aWF6_b4w http://www.khanacademy.org/video/multiplication-7--old-video-giving-more-examples?playlist=Arithmetic