Review the basic of subtracting negative numbers and try some practice problems.

Hopefully that gives you a little bit of intuition about what subtraction is. In the next video I'll just do as many basic subtraction problems I can do in 10 minutes.

In this topic, we will add and subtract whole numbers. The topic starts with 1+1=2 and goes through adding and subtracting within 1000. We will cover regrouping, borrowing, and word problems.

It's called the commutative property of addition. If you did 1+10, it should still be equal to 10+1. However, when you are adding negative numbers (or subtracting, depending on the way you see it), your …

Learn about numbers below 0 and how they relate to positive numbers. Add, subtract, multiply and divide negative numbers.

Learn about numbers below 0 and how they relate to positive numbers. Add, subtract, multiply and divide negative numbers.

Learn how to add and subtract negative numbers. The problems solved in this video are 2 - 3 = -1 and -2 - 3 = -5 and -2 + 3 = 1 and 2 - (-3) = 5 and -2 - (-3).

Practice subtracting positive and negative single-digit numbers.

So the big takeaway here is there's many different ways to approach subtraction with however many digits you have, and this just gets you a glimpse of different methods.

Learn how to add and subtract negative numbers. The problems solved in this video are 2 - 3 = -1 and -2 - 3 = -5 and -2 + 3 = 1 and 2 - (-3) = 5 and -2 - (-3).