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Understanding the Metric System: Benefits, Usage, and Conversions

The Metric System, a universal method of measurement, is embraced globally except in Liberia, Myanmar, and the U.S. Its decimal-based structure simplifies calculations and transcends language barriers. Prominent metrics include meters for length, liters for volume, and grams for mass. Learn how to convert between units using prefixes like milli, centi, and kilo through practical examples and a stair-step method. Discover essential English to metric conversions useful in everyday situations, ensuring accurate measurements in both systems.

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Understanding the Metric System: Benefits, Usage, and Conversions

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  1. Metric System -SI The system we do not embrace. The current countries that do not use the system Liberia, Myanmar and of course, the United States of America. 

  2. Reasons it is used • Easy calculations • Used throughout the world • Transcends languages- Goes beyond language • Based on decimals/ called Base 10

  3. Various standards • Length/ Distance –Meters • Volume- Liters • Mass/weight – Grams • Temperature – Celsius

  4. Prefixes + Standard • milli- 1/1000 • centi- 1/100 • deci- 1/10 • Base Unit = 1 • deka- 10 • hecto- 100 • kilo- 1000 • Milligrams • Liters • Kilometers

  5. Use the Stair Step method Move Decimal Left Move decimal right

  6. Another way – Multiply/Divide • milli- 1/1000 • centi- 1/100 • deci- 1/10 • Base Unit = 1 • deka- 10 • hecto- 100 • kilo- 1000 How many Decimeters are in 1 meter? 1 X 10 = 10 decimeters How many Hectometers are in 1 meter? 1 / 100 = .01 How many Kilometers are in 45 meters? How many kilometers are in 56 centimeters?

  7. Individual Practice • How many decimeters are in 750 meters? • How many centimeters are in 45 Hectometers? • How many Dekameters are in 67 centimeters? • How many Millimeters are in 23 centimeters?

  8. Answers • 1. 7500 Decimeters • 2. 450,000 Centimeters • 3. .067 Dekameters • 4. 230 millimeters

  9. More Practice • 7974 ml = _____ L • 6035 g = _____ kg • 81.6 cm = ______ mm • 817 cm = _____ m • 4.115 km = ______ m • 2.43 m = ______ cm • 5373 m = _____ km • 533 cm = _____ m

  10. ANSWERS • 7.974 L • 6.035 kg • 816 mm • 8.17 m • 4115 m • 243 cm • 5.373 km • 5.33 m

  11. English to Metric • A little background information: • A gallon is larger than a liter. Why is this important when purchasing soda? • A kilogram is about 2.2 pounds (lbs). • An inch is about 2.5 times longer than a cm. • A mile is about 1.6 kilometers. • When you run a 5k you do not run 5 miles.

  12. English & Metric Conversions

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