Olivia shares a simple multiplication trick that makes two digit multiplication easier when the numbers end in 1.

People tend to obsess over making computer software faster. You can, of course, just crank up the clock speed and add more processors, but often the most powerful way to make something faster is to ...

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 the ...