Sunday, March 17, 2013

Math Update

We continue to work our way through our unit on measurement, and have begun to explore the concepts of perimeter and area. The students practiced measuring distances with a tape measure- including the distance around their neck and ankle with the help of a neighbor! They went on to practice measuring the perimeter of other common items in the classroom. We used the shapes the children brought from home to trace, measure, and add together in order to find the perimeter, or the distance around it. We delved a bit into the units of miles and kilometers. Together we practiced adding and comparing greater distances using cities on a map. The children enjoyed trying to find the shortest route between cities. It was great practice adding 3 digit numbers -with regrouping! The students also had an opportunity to trace different items onto inch and centimeter grid paper as well as explore different measuring tools. Finally, the children used centimeter grid paper to figure out the area inside a shape. We noticed that the unit changes a bit into SQUARE centimeters when measuring the area.

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