“13 2 x 13 = 26 3 x 13 = 39 4 x 13 = 52 5 x 13 = 65 6 x 13 = 78 7 x 13 = 91 8 x 13 = 104 9 x 13 = 117 10 x 13 = 130 11 x 13 = 143 12 x 13 = 156”