Thursday, January 20, 2011

4th Grade Buddies ~ Estimation Jar

We met with our 4th grade buddies today.  We shared some of our work, drew pictures, and played games.  The pictures have been added to KC Photos.

Lia brought 134 counters or disks in the estimation jar.  Some of the disks were counted into straight lines of 10 and some were counted into piles of 10.  It was interesting to compare what 10 looked like in a line vs. a pile.  There were 7 piles of 10 (or 70 counters) and 6 lines of 10 with 4 singles (64 counters).  We then discussed which group had more, the piles or the lines.  Ask your KC student if they remember.

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