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Thursday, December 27, 2012

Multiplication 1: Some Groups of This, Some Groups of That,

Wow. You're now halfway through the 4 kinds of arithmetic! Keep it up!

Today we'll learn a new kind of arithmetic. This one is called multiplication. You probably won't have trouble with the basics, but believe me, it gets a lot harder.

Multiplication is when you multiply in groups of itself. It's mainly just a writing shortcut for an addition problem at first. The problem we'll be working with today is 3x3. This means the answer will be the sum of 3 groups of 3. In the first group, we start out with 3. Then we add another group of 3. Can you guess what that would be? If you just said 6, you're right! If not, it's about time you went to www.khanacademy.org. It could really help you understand this concept better. Now, back to the problem. We now have 6, but we need to add yet another group of 3! Add 3 to 6, that would be 9! For those of you who got this right, keep up the good work! If not, please go to Khan Academy by clicking the link above. OK, now that we're done with this problem, what is our answer? Look back at the last number that I wrote. That, of course, would be 9!

Thank you for joining me while get deeper N2 Math!!

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