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 ...

There are different ways to approach a 2-digit by a 1-digit multiplication problem. Look at this multiplication problem. 16 × 4 = ? Here are some different ways you might solve it.

There are different ways to approach a 2-digit by a 1-digit multiplication problem. Look at this multiplication problem. 16 × 4 = ? Here are some different ways you might solve it.