Share this instructional Metric System Lesson PowerPoint with your class. It provides a short history of the metric system and looks at three main units of measurement: Metre, Gram, and Litre. It examines the prefixes for these units of measurement and includes some conversion problems. This can be purchased as part of a bundle which also includes a Worksheet and Quiz with answer keys:

https://www.teacherspayteachers.com/Product/Math-Metric-Lesson-Bundle-6340149

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