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Two recognized systems of measurement. The customary system is a system of measurement commonly used in the United States. The international system is the most widely used system of measurement in the world. International System (green) & Customary System (red). Customary System.
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Two recognized systems of measurement • The customary system is a system of measurement commonly used in the United States. • The international system is the most widely used system of measurement in the world.
Customary System • The customary system is a system of measurement commonly used in the United States.
Customary System • Length: inches (in), feet (ft), yards (yd), miles (mi)
Customary System • Volume: ounces (oz), cups ( C), pints (pt), quarts (qt), gallons (gal)
Customary System • Mass: pounds (lb), tons (T),
Customary System • Temperature: Degrees Celsius (˚C)
The International System • The international system is the most widely used system of measurement in the world.
The International System • Length: length is measured in meters. • kilometer (km), decimeter (dm), centimeter (cm), millimeter (mm), micrometer (µm), nanometer (nm)
The International System • Volume is measured in cubic meters (m³) • cubic centimeters (cm³), liter (L), milliliter (mL)
The International System • Mass is measured in kilograms (kg). • gram (g), kilogram (kg), milligram (mg)
The International System • Temperature is measured in Kelvins. • Kelvin (K)
How big is a …? • http://www.cellsalive.com/howbig.htm
Customary or International ? • Cubic Centimeter (cm³)
Customary or International ? • Foot (ft)
Customary or International ? • Centimeter (cm)
Customary or International ? • Gallon (g)
Customary or International ? • Micrometer (µm)
Activity • Open your journals. • Draw a t-chart, labeling one side customary system, and the other side international system. • Take the units that are given in the next slide and separate the customary system units from the international system units.
km, ft, oz, cm, mm, µm, nm, mi, in, lb Customary System International System