We've been talking in class about Real Numbers. The Real Number System includes rational numbers, irrational numbers, whole numbers, and integers. Of course, the students say, "well, what other kinds of numbers are there?" I've explained there are other types of numbers called Imaginary Numbers and they don't quite get it. I've done a little research for them and here are a few links, along with a video I suggest anyone interested can look at to understand Imaginary Numbers.
www.en.wikipedia.org/wiki/Imaginary_number
www.mathisfun.com/numbers/imaginary-numbers.html
Now, don't worry if you don't get it! You'll have a chance to learn more about them when you get in high school.
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