"How is the 7 digit in 781,000 DIFFERENT from the 7 digit in 17?"
I got looks like I was crazy...About 3/5 of the class understood after some explanation. the other 2/5 were still struggling. I explained that as one moves through a place value chart each place increases 10 times. So the 7 in 17 is 7x1 but when you move that 7 all the way to the 100,000 place, it is the same as 7x100,00. I took this picture for you to see if it helps you to help explain this question.
Thanks for helping me on this one...This is a high level Common Core State Standard we are addressing :)
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