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