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Looking for Circles
In comparing the smaller circle to the larger circle, students’ initial response is likely to be simply that the larger circle is “bigger”. This is a good opportunity to point out that one of the reasons mathematics is valuable is that it provides a way to describe relationships exactly.
| Subject: Mathematics Topics: Geometry Grades: 3 - 6 Concepts: - Diameter - Radius |
Download Activity: Looking for Circles (PDF)
Hands-On Math Movie:
Underground Engineering
Travel over five hundred feet underground with Chief Engineer Eileen Schnock. The tunnel she's working on must be able to deliver over a billion gallons of water a day to one of our largest cities. It's a fun job but a strong background in math and science is key.
Running time 2:42 minutes.
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