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This chapter provides an overview of the metric system, tracing its origins back to 1700s France and highlighting its global adoption, with 98% of the world using the SI (International System of Units). Though the metric system became legal in the U.S. in 1966, it remains non-mandatory. Key prefixes such as kilo, hecto, deca, and base units like meter, liter, and gram are discussed in detail, along with conversion methods and examples to simplify understanding. Additionally, mnemonics like KHDB dcm aid in easily remembering metric conversions.
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Chapter 1 Notes Miss Rabatin
Metric System • Background • Started in France 1700’s • 98% of World on SI • US 1966 Metric Legal • Not Mandatory • Based off of the Power 10 • Provides Uniform System of Units
Prefixes • Kilo Largest Unit • Hecto • Deca • Base Unit • deci • centi • milli Smallest Unit
Kilo Hecto Deca Base Unit deci centi milli K H D Base Unit d c m Prefixes
Base Unit • Meter • Length • Liter • Liquid • Gram • Mass
Full Name Prefix + Base Unit IE Kilometer Deciliter centigram Abbreviations Prefix + Base Unit IE Km dL cg Writing Metric
Remembering Metric • KHDB dcm
Converting • Only Have to Move . • Moving Right on Chart • Move . Right • Moving Left on Chart • Move . Left
Examples • 15 cL = ________ L • 100 km = ________ m • 0.51 Dg = ________ dg • 120 g = ________ kg • .0212 L = ________ mL