Unit 1 the metric system unit conversions
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Unit 1: The Metric System & Unit Conversions. Section A: Systems of Measurement. Corresponding Book Sections: Chapter 1 PA Assessment Anchors: S11.A.1.1. English (FPS) Foot, Pound, Second Units like: Feet Miles Gallons Pounds. Metric System (SI) “International System”

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Unit 1 the metric system unit conversions

Unit 1: The Metric System & Unit Conversions


Section a systems of measurement
Section A: Systems of Measurement

  • Corresponding Book Sections:

    • Chapter 1

  • PA Assessment Anchors:

    • S11.A.1.1


Two systems of measure

English (FPS)

Foot, Pound, Second

Units like:

Feet

Miles

Gallons

Pounds

Metric System (SI)

“International System”

Units Like:

Centimeter

Dekaliter

Newton

Milligram

Two systems of measure:



How to use the prefixes
How to use the prefixes

  • The prefix goes before the base word

    • Example:

      cm = centimeter

Prefix

Base


Practice with prefixes
Practice with Prefixes

  • One hundredth of a meter

  • Ten grams

  • One hundred liters



Section b unit conversions
Section B: Unit Conversions

  • Corresponding Book Sections:

    • Chapter 1

  • PA Assessment Anchors:

    • S11.A.1.1


How to convert between units
How to convert between units

Ex: Convert 1 m to cm

1. Write the unit you’re starting with over 1

2. Find the appropriate conversion

1 m = 100 cm

3. Line up the units so they cross out


How to convert between units continued
How to convert between units (Continued)

4. Keep doing this until you’re left with the units you want in your answer

5. Multiply the numerator and denominator

6. Write final answer

100 cm


Converting between units

Convert 1 m to:

dm

hm

km

Converting between units


More conversion practice
More Conversion Practice

  • Convert:

    • 15 m to cm

    • 20 cm to km

    • 300 mm to m


Converting between systems
Converting between systems:

  • Can we convert between FPS and SI?

    • Absolutely!!

    • Most of the conversion factors are on the inside cover of your textbook


Practice converting between units
Practice converting between units:

  • Convert

    • 1 m to mi

    • 2 gallons to mL

    • 4.3 lb to Newtons


A good website to check your work
A good website to check your work:

  • http://www.onlineconversion.com/auto_convert.pl

  • You MUST show your work on problems and the homework, but this is a good place to check your answers!


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