One of the best was to understanding measuring systems is to find personal references for certain lengths. Each student found common examples for millimeter, centimeter, decimeter, and meter. We then used these personal references to make estimates for objects in the classroom. To check our estimates, partners worked together to make an exact measurement. Tape measures, rulers, and meter sticks were all over our classroom - it was great! The kids found out that they were very good at making estimates when using their personal references! I was proud of them.
Jo'nae and Ben estimated the length of the classroom. They're using their meter stick to see how close they came.
Alex and Andrea are discussing strategies for using their measuring tape.
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