Metric Measurements: Length
Try out the following activities to practice your metric system.

Conversion Practice for Meters
http://www.quia.com/pop/29582.html?AP_rand=344444838

Measurements of the Dollar Bill
http://books.quia.com/quiz/1494097.html?AP_rand=437389848

Ruler Practice
http://www.funbrain.com/measure/index.html

Metric Prefixes Quiz
http://www.321know.com/mea212x3.htm

BrainPops:
 Metric Units:http://www.brainpop.com/science/scientificinquiry/metricunits/
 Metric vs. Customary:http://www.brainpop.com/math/numbersandoperations/metricvscustomary/
 Measuring Matter:http://www.brainpop.com/science/matterandchemistry/measuringmatter/