Meters, Grams and Liters
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Transcript of Meters, Grams and Liters
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Meters, Grams and Liters
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The Metric System
• The metric system is a measurement system based on our decimal (base 10) number system.
• Other countries and all scientists and engineers use the metric system for measurement.
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Metric Prefixes• Metric Units• The metric system has prefix modifiers that are multiples of
10.
Prefix Symbol Factor Number Factor Word
Kilo- k 1000 Thousand
Hecto- h 100 Hundred
Deca- da or dk 10 Ten
Unit m, L, g 1 One
Deci- d .1 Tenth
Centi- c .01 Hundredth
Milli- m .001 thousandth
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Place Values of Metric Prefixes
Thousand
Hundred
Ten
One
Tenth
Hundredth
Thousandth
km
kg
kL
hm
hg
hL
dkm
dkg
dkL
m
g
L
dm
dg
dL
cm
cg
cL
mm
mg
mL
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Meters
• Meters measure length or distance
• One millimeter is about the thickness of a dime.
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Meters• One centimeter is
about the width of a large paper clip
•or your fingernail.
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Meters
• A meter is about the width of a doorway
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Meters
• A kilometer is about six city blocks or 10 football fields.
• 1.6 kilometers is about 1 mile
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Gram
• Grams are used to measure mass or the weight of an object.
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Grams
• A milligram weighs about as much as a grain of salt.
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Grams
• 1 gram weighs about as much as a small paper clip.
• 1 kilogram weighs about as much as 6 apples or 2 pounds.
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Liters
• Liters measure liquids or capacity.
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Liter
• 1 milliliter is about the amount of twenty drops
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Liter
• 1 liter is half of a 2 liter bottle of Coke or other soda
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Liter
• A kiloliter would be about 500 2-liter bottles of pop
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Which unit would you use to measure the length of this bicycle?
km m cm mm
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Which unit would you use to measure the mass of a penny?
km g cL mg
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Which unit would you use to measure the water in an aquarium?
L m cL mg
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Which unit would you use to measure the mass of a feather?
L m cL mg
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Which unit would you use to measure the mass of a student
desk?
kg g cL mg
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Which unit would you use to measure the mass of a whole
watermelon?
kg g cL mg
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Which unit would you use to measure the mass of an egg?
kg g mm mg
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Which unit would you use to measure a can of soup?
kL L mm mL
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Which unit would you use to measure this glass of milk?
kL L cL mL
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Which unit would you use to measure the distance across
Kansas?
km m cm mL
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Which unit would you use to measure the height of a tree?
km m cm mm
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Which unit would you use to measure the length of a bracelet?
km m cm mm
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Changing Metric Units
• To change from one unit to another in the metric system you simply multiply or divide by a power of 10.
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To change from a larger unit to a smaller unit, you need to multiply.
1 km x 1000 = 1000 m
1 m x 100 = 100 cm
1 cm x 10 = 10mm
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Place Values of Metric Prefixes
Thousand
Hundred
Ten
One
Tenth
Hundredth
Thousandt
h
km
kL
kg
hm
hL
hg
dkm
dkL
dkg
m
L
g
dm
dL
dg
cm
cL
cg
mm
mL
mg
Move the decimal point to the right to multiply.
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Place Values of Metric Prefixes
Thousand
Hundred
Ten
One
Tenth
Hundredth
Thousandth
km
kg
kL
hm
hg
hL
dkm
dkg
dkL
m
g
L
dm
dg
dL
cm
cg
cL
mm
mg
mL
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To change from smaller units to larger units you divide by a
power of ten.
1000mm ÷ 10 = 100cm
100cm ÷ 10 = 10dm
10dm ÷ 10 = 1m
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Place Values of Metric Prefixes
Thousand
Hundred
Ten
One
Tenth
Hundredth
Thousandt
h
km
kL
kg
hm
hL
hg
dkm
dkL
dkg
m
L
g
dm
dL
dg
cm
cL
cg
mm
mL
mg
Move the decimal point to the left to divide.
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Place Values of Metric Prefixes
km
kg
kL
hm
hg
hL
dkm
dkg
dkL
m
g
L
dm
dg
dL
cm
cg
cL
mm
mg
mL
3km 30hm 300dkm 3000m
4L
30000dm 300000cm
12cm
3000000mm
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Sorry!
• That is not the BEST choice!
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