Estimation jar

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Home : 2002 : July : 2

Estimation jar
By Wendy

I used the estimation jar last year with students and I found it helpful if students filled the jar weekly. Every Friday, students would guess how many items were in the Estimation Jar. The student who came the closest won a prize (lollipop). Then I would them pick a popicle stick (out of a small can; everyone had a popicle stick) and ask that person if they would fill the estimation jar for the next week (I would send home a paper explaining when to return). I would return the contents of the Estimation Jar back to the "filler" and ask them if they would like to share with the class. I thought this worked because it rewarded those who had the closest estimation and give everyone a chance to fill the estimation jar. Good luck; Wendu