Most people know just one way to multiply two large numbers by hand. Typically, they learned it in elementary school. They’re often surprised to find that there are a variety of ways to do ...

We live in a world written in number, from the binary code that drives the information age to the dollar, euro and yuan figures that shape the behavior of nations, corporations and individuals. For ...

Multiplication is working out how many groups of something you have altogether. Division is working how many you get, after sharing a number between another number. You can use place value charts to ...

Early fall is an excellent time to divide perennials. Dividing doesn’t just multiply your supply of plants (or give you extras to trade with other gardeners for something new). It also can be a way to ...

Support your knowledge of this topic by looking at these guides on Lowest Common Multiple and equivalent fractions. Look at the examples below on how to add and subtract fractions and mixed numbers.