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Category: Problem-Solving

The Bad Numbers

The Bad Numbers

It was 6:45 a.m. this morning when I heard the pitter-patter of little feet on the floor.  It was my 7-year old niece who was visiting for a few days.  I was shocked to see her peek into my office that early in the morning; I’ve seen her sleep til 10. But today was the last day of her short visit and I’m guessing she didn’t want to miss out on anything.  Ryan was up and fixing himself breakfast, John…

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A Twist on the Estimation Jar

A Twist on the Estimation Jar

Teachers often use the estimating jar as a way to promote good estimating skills in their students.   Throw a little candy in that jar and now you’ve got students excited and motivated to do math!  The following activities are a twist on the traditional estimating jar and have been done with second through fifth graders. I introduce the estimating jar, filled with Hersheys kisses, by asking students to give a reasonable estimate as to how many kisses they think are…

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