Consider the following scenario: You are at a restaurant with a group of friends, and after a great dinner with good conversation, someone calls in the check. You all decide that you should split the ...

Watch the video to learn about adding and subtracting with negative numbers on a number line and by using number discs. Adding and subtracting with negative numbers. Let's talk about two ways to help ...

Given that humans have been studying numbers for thousands of years, you might think we know everything about the number 3. But mathematicians recently discovered something new about 3: a third way to ...