Wednesday, March 2, 2011
Estimation Jar
As you may know, third grade mathematicians have been practicing their estimation skills. This week Matt filled the Estimation Jar with M & Ms. Throughout the week children write their estimates on scrap paper and submit them to the Star Box.
Together we go through the estimates and round each to the nearest ten (or hundred - depending on the estimates). The estimates are placed on the line plot.
This week was our biggest line plot yet because the numbers were all spread out. This line plot had the biggest range. So we think we need to get better at estimating. Here's a tip: Counting a group of ten really helps you estimate. We hope we estimate more carefully next week.
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