10 + 3(100 x 672) = 10 + 10 + 8 1 50 x 672 672 = 10 x 672 = one move left 10 + 5(10 x 672) = 10 + 10 + 10 + 10 + 10 5 10
10 + 8 10 + 10 + 1 3(100 x 672) = 50 x 672 672 = 10 x 672 = one move left 10 + 10 + 10 10 + 10 + 10 + 5 10 5(10 x 672) =
Dots-and-boxes-Workbook.docx