Today November Tenth 2010 3N learned about diameter and circumference. After we had finished some mental math and a little lesson about circumference 3N listened to directions and got to work on the lessons activity. They were supposed to get string and a circle on paper. 3N taped down the string and wound it around the circle once. After that the students cut the string, took the tape off and straightened out the string then they measured the string with a ruler. 3N also learned that the diameter of a circle three times will be a close estimate to the circumference.
The purpose of this lesson is to teach the students about circumference and then letting them try to do what they learned how to do by having the activity.
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