Proportions n measurement
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Transcript of Proportions n measurement
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Using Proportions to Convert MeasurementsMs. Johnson8th Grade Math
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+Systems of Measurement
Do Now: Write down as many words as you can that you associate with measurement
Quote of the day:
“Action is the real measure of intelligence.”
-Napoleon Hill
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+Systems of Measurement
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We measure all sorts of quantities. Here are the main ones:
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+Systems of Measurement
There are two categories we can place the words you just saw in. These two categories are called the two systems of measurement
METRIC and CUSTOMARY/STANDARD
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+Systems of Measurement
There are two categories we can place the words you just saw in. These two categories are called the two systems of measurement
Quantity METRIC and CUSTOMARY/ STANDARD
Length meter inch, yard, foot, mileVolume liter gallon, quart, pint, hogshead
Mass/Weight gram pound, ounce Temperature Celsius Fahrenheit
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+Systems of Measurement
If you notice, there are a lot of words for each customary/standard measurement.
The world is turning to all metric and soon these will be the only ones we need!Quantity METRIC and CUSTOMARY/
STANDARDLength meter inch, yard, foot, mileVolume liter gallon, quart, pint, hogshead
Mass/Weight gram pound, ounce Temperature Celsius Fahrenheit
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+Systems of Measurement
But how does the metric system work if they use so many less words than we do??
Quantity METRIC and CUSTOMARY/ STANDARD
Length meter inch, yard, foot, mileVolume liter gallon, quart, pint, hogshead
Mass/Weight gram pound, ounce Temperature Celsius Fahrenheit
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+Systems of MeasurementBecause they use prefixes to explain
smaller and larger units!! Such as:
milli, centi, deci, kilo
Quantity METRIC and CUSTOMARY/ STANDARD
Length meter inch, yard, foot, mileVolume liter gallon, quart, pint, hogsheadMass/Weight gram pound, ounce Temperature Celsius Fahrenheit
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+Systems of MeasurementPrefixes for Metric System
SMALLER BIGGER
milli (1/1000) ,centi (1/100), deci (1/10), kilo (1000)
Quantity METRIC and CUSTOMARY/ STANDARD
Length meter inch, yard, foot, mileVolume liter gallon, quart, pint, hogshead
Mass/Weight gram pound, ounce Temperature Celsius Fahrenheit
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+Systems of Measurement
Fun side note: This is the ipod nano
j N Nano- is another funny
metric prefix.
Nano- 10-9
j 1 Billionth …
REALLY tiny !
TINY
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+Review of Proportions
Proportion: 2 ratios that are equal to each other
ex) 2:6 :: 3: 9 aka 2 = 3 6 9
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+Review of Proportions
Proportion: 2 ratios that are equal to each other
ex) 2:6 :: 3: 9 aka 2 = 3 6 9