measurement madness! by: jessica nastasi. measurement: a history before rulers existed, people in...
TRANSCRIPT
![Page 1: Measurement Madness! By: Jessica Nastasi. Measurement: A History Before rulers existed, people in ancient times measured based on the dimensions of the](https://reader036.vdocument.in/reader036/viewer/2022081603/56649f535503460f94c787aa/html5/thumbnails/1.jpg)
Measurement Madness!
By: Jessica Nastasi
![Page 2: Measurement Madness! By: Jessica Nastasi. Measurement: A History Before rulers existed, people in ancient times measured based on the dimensions of the](https://reader036.vdocument.in/reader036/viewer/2022081603/56649f535503460f94c787aa/html5/thumbnails/2.jpg)
Measurement: A History
Before rulers existed, people in ancient times measured based on the dimensions of the human body.
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Measurement: Customary
First, let’s focus on the Customary Units of Measurement…these are inches, feet, yards, and miles.
We are one of the only countries to use this system!
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The inch represents the
width of a thumb; in fact, in many languages,
the word for "inch" is also the
word for "thumb."
Rule of Thumb!
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The foot (12 inches) was
originally the length of a human foot, although it
has evolved to be longer than most
people's feet.
This is also the distance between
the elbow and wrist!
Happy Feet!
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The yard (3 feet) seems to have
gotten its start in England as the
name of a 3-foot measuring stick,
but it is also understood to be the distance from the tip of the nose to the end of the
middle finger of the outstretched hand.
Yard? It’s Not Hard!
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Longer distances in England are traditionally
measured in miles. The mile is a Roman unit,
originally defined to be the length of
1000 paces of a Roman legion. A
"pace" here means two steps, right
and left, or about 5 feet, so the mile is a unit of roughly
5000 feet.
Let’s Take A Walk!
I think I will walk 1,000 paces today- a mile!
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Next, let’s focus on the Metric Units of Measurement…these are millimeters, centimeters, meters, and kilometers (to name a few).
Most countries in the world use this system!
Measurement: Metric
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About 1 millimeter
Thickness of your fingernail!
Handy Estimations
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About 1 centimeter
About 10 centimeters
1 Decimeter
Handy Estimations