Post on 13-Dec-2015
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GeometryLesson 0 – 1
Changing Units of Measure
Objective:Convert units of measure within the customary and metric systems.
Units of Measure
Metric units of Length1 kilometer (km) = 1000 meters (m)1 meter (m) = 100 centimeters (cm)1 cm = 10 millimeters (mm)
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Units of Measure
Customary units of Length
1 foot (ft) = 12 inches (in)1 yard (yd) = 3 feet (ft)1 mile (mi) = 5280 feet (ft)
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Which Unit?
State which metric unit you would use to measure the length of your pen.
State which customary unit you would use to measure the length of the classroom.
centimeter
feet
Converting
To convert from a larger unit to a smaller unit, multiply
To convert from smaller units to larger units, divide.
ConvertComplete each sentence
4.2 km = ______ m
13 yd = ______ ft
km
mkm
1
1000*
1
2.4
4200
yd
ftyd
1
3*
1
13
39
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Your TurnComplete each sentence.
8.7 km = _____ m
18.3 ft = _____ yd
km
mkm
1
1000*
1
7.8
8700
ft
ydft
3
1*
1
3.18
6.1
6.1
Example
17mm = _____ m
6600 yd = _____ mi
*1
17mmmm
cm
10
1
cm
m
100
1* m
m017.0
1000
17
0.017
*1
6600 yd
yd
ft
1
3
ft
mi
5280
1* mi
mi75.3
5280
19800
3.75
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Units of Measure
Metric Units of Capacity1 liter (L) = 1000 milliliters (mL)
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Units of Measure
Customary units of Capacity1 cup c = 8 fluid ounces (fl oz)1 pint (pt) = 2 c 1 quart (qt) = 2 pt1 gallon (gal) = 4 qt
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Convert3.7 L = _____ mL
16 qt = _____gal
7 pt = _____fl oz
4 gal = ____pt
L
mLL
1
1000*
1
7.3
3700
*1
7 ptpt
c
1
2c
ozfl
1
8*
qt
galqt
4
1*
1
16
4
1
4 galgal
qt
1
4*
qt
pt
1
2*
32
112
Units of Measure
Metric units of Mass1 kilogram (kg) = 1000 grams (g)1 g = 1000 milligrams (mg)
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Units of Measure
Customary units of Weight1 pound (lb) = 16 ounces (oz)1 ton (T) = 2000 lb
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Convert
5.47 kg = ____mg
5 T = _____ oz
*1
47.5 kgkg
g
1
1000g
mg
1
1000*
5,470,000
*1
5TT
lb
1
2000
lb
oz
1
16*
160,000
Homework
Pg. P5 2 – 26 Even