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This blog is for Miss Jovanovich's algebra and geometry classes to share ideas, ask questions, and reflect on what skills and topics we are studying. If we are lucky, we might even get a chance to connect with other students studying the same stuff.

by Nora B teacher: Tina Jovanovich


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Order of operations-Semester Exam Review Hey All!! Talking about order of operations today! As long as you follow PEMDAS and do your math correctly, you'll do great!!

Order of Operations-

Problem: -8+15/(-3)-2
Again, for this problem you are going to want to use PEMDAS. So your going to want to divide 15 by -3 which equals -5. Then your going to want to add -8 and -5 together and that is -13. This is what our problem looks like right now:
-13+-2=?
Now all we have to do is add -13 and -2 and we get -15!!

Website:This website has a good explanation of how to use PEMDAS
http://www.mathgoodies.com/lessons/vol7/order_operations.html

Next time: Evaluating expressions
Only 4 more to go!!
Nora :)

Article posted January 10, 2012 at 07:59 AM • comment • Reads 36 • see all articles


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