Teacher2Teacher 
Q&A #1154 
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From: Doug To: Teacher2Teacher Public Discussion Date: 2005111905:39:50 Subject: Re: Front End Estimation Do you believe that a childs teacher is doing their job if the child comes up with an answer of 3,112 when they just got done adding numbers of 8,221, 7091, 1089 and 5,984? There is no use for fee. The only check needed for this example is to notice that there is only one of four numbers added that is lower than your answer! Mistakes are mistakes, but in your example its a lack of caring. And thats a problem the teacher needs to recognize and help the student with.
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