A Numerical Kaleidoscope If you’ve never heard of lattice multiplication, let me briefly explain how it works using a couple of two-digit numbers. Say you want to multiply 12 by 34.

Napier’s method of multiplication is a method used to multiply large numbers when you do not have a calculator. Draw a 2 by 2 grid to multiply a 2-digit number by another 2-digit number. Label ...

Learn how to carry out multiplication using the area method. For students between the ages of 11 and 14.

But is this really the best way to multiply two big numbers together? In long multiplication, we have to multiply every digit of the first number by every digit of the second number.

Traditional multiplication techniques would require multiplying each digit of one number by each digit of the other, for a total of 4 × 4 = 16 small multiplications.

We'll explore how this shortcut works for both two-digit numbers multiplied by themselves, and even for multiplying two different numbers ending in 5.

Mathematicians have reportedly discovered a new way of multiplying two numbers together. The new technique is for really large numbers, and if it passes a peer-review, could be the fastest ...