In this video, I will be explaining a super easy trick to multiply ANY number by 11. After you finish watching this video, you will be able to give the correct answer to any multiplication problem of this kind so easily! Thanks for watching this video! I truly appreciate it. Once you comment your answers below, please check here to see if your answers are right! Take a look: 42 x 11 = 462 105 x 11 = 1155 3258 x 11 = 35838