To add numbers, you can line up the numbers vertically and then add the matching places together. This tutorial shows you how to add numbers vertically!

The natural numbers are also called the counting numbers. The whole numbers are almost exactly as the natural numbers the same except for one small difference! Watch this tutorial and learn the difference between natural and whole numbers.

Comparing two large whole numbers can be a chore, but using a place value chart can make the process easier. Take a look at how to line up the digits and figure out which number is larger.

Place value is a building block of numbers. Without place value, we couldn't keep all our numbers straight! This tutorial introduces place value and shows you the parts of a place value chart.

Subtracting numbers is easier than you might think! Watch this tutorial to see the step-by-step process of lining up the numbers vertically to subtract them.