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Quiz Tree: Units of Measurement
This site offers free multiple choice quizzes for mastering measurement conversions. Metric and customary systems are both included.
CK-12 Foundation
Ck 12: Elem Math: Converting Kilograms and Grams Into Grams
[Free Registration/Login may be required to access all resource tools.] For this learning module, students practice converting kilograms and grams into just grams. Includes video demonstrating a sample problem [0:45] and a set of...