Standards of Measurement WRITE ONLY WHAT IS IN RED!

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# Standards of Measurement WRITE ONLY WHAT IS IN RED! - PowerPoint PPT Presentation

Standards of Measurement WRITE ONLY WHAT IS IN RED!. Two Main Standards of Measurement in the World . Used mainly by the United States Example of length base units: Miles Inches Feet Yards. Used by the majority of the world Also known as: The Metric System Based on powers of ten

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### Standards of MeasurementWRITE ONLY WHAT IS IN RED!

Two Main Standards of Measurement in the World
• Used mainly by the United States
• Example of length base units:
• Miles
• Inches
• Feet
• Yards
• Used by the majority of the world
• Also known as: The Metric System
• Based on powers of ten
• Examples of length base units:
• Meters
• Liters

Customary system

International System of Units (S.I.)

Practice
• A) 1 kilogram = X grams
• 1000 grams
• B) 1 decameter = X meters
• 10 meters
• C) 1 centiliter = X liters
• 0.01 liters
• D) 1 hectometer = X meters
• 100 meters
How to remember the order of the common SI prefixes?
• A Kangaroo Hopped Down my Driveway Christmas Morning
Steps for Conversions:
• Create a table.
• Put your beginning value in the top box.
• Ex. How many cm in 3 m?
• Place a “1” in the bottom box.
Steps Continued

In the second set of boxes:

4. Write the old units in the bottom box.

5. Write the desired units in the top box.

6. Write in your conversion factor.

*When in doubt, go back to the standard…

3 m

1

Steps Continued

7. Cancel out similar units (top to bottom).

8. Multiply across the top.

9. Multiply across the bottom.

3 m 100 cm

1 1 m

Practice
• How many decagrams are in 1400 grams ?
Practice
• Convert 4.66 centimeters to miles
Practice
• How many minutes are in 2 days?
Practice
• Convert 0.09 miles to inches
Practice
• Convert 84 miles to kilometers