The Estimation Jar – Number Sense in Action
I was cleaning up the Estimation Table at my last Family Math Night event when I noticed a slip of paper next to the Hershey’s jar. Taking a closer look at it, I realized I was looking at the thinking behind someone’s guess as to the number of Hersheys in the jar. This piece of paper is priceless to me as an educator. It allows me to clearly understand the steps this child took to arrive at his/her answer – an answer…