To use the short multiplication method, you need to be able to recall times-tables up to 9 x 9 and be confident in adding any carried digits in your working. Multiply each digit of the 3-digit ...
“If the multiplication table was whole, the wooden tablet would ... it revealed three equations: "9 times 9 is 81," "4 times 9 is 36" and "6 times 8 is 48." All were written in what researchers ...