Wednesday, August 29, 2007

Metric prefixes

Students today learned about the six metric prefixes used to change meter. Students learned that a millimeter is the width of a dime, centimeter is the width of a pencil eraser, decimeter is the size of a highlighter. Students also learned 10 mm=1 cm, 10 cm = 1 dm, and 10 dm = 1 meter. Therefore, there are 1,000 mm in a meter, 100 cm in a meter, and 10 decimeters in a meter. Also, deka, hecto and kilo are prefixes that show numbers larger than one meter. Kinda cool, eh?

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