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History of Place Value System

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Lindsay Cole

on 29 September 2014

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Transcript of History of Place Value System

What is place value stystem?
System of numeration we use today that was derived from an ancient Hindu system.
Developed by Arab traders in the ninth and tenth century and quickly spread around Europe.
Other cultures used different systems of numeration.
Roman System
Developed 3,000 years after the Egyptian hieroglyphic system
Based their system off of the Egyptians but added in symbols for 5, 50, and 500
Why do we use Hindu-Arabic?
This system is more economic in the use of symbols of numbers.
Allows for place value system
Hindu-Arabic System
In the place value system all numbers are represented by finite digits: 1, 2, 3, 4, etc.
The system uses ten as a base mainly because we have ten fingers to count on
Larger whole numbers than 9 are constructed using powers ofthe base: ten, a hundred, a thousand, etc.
How to use it in the classroom
Introduce concept to students through a mini-lesson or PowerPoint presentation
Think of a unique way to teach the topic so your students will remember it.
Post place value system around your classroom.
Egyptian Hieroglyphics
Used as far back as 3,000 B.C.
Decimal in nature, but did not use a place value system
Used separate symbols for ten, a hundred, a thousand, ten thousand, a hundred thousand and a million.
History of Place Value System
By: lindsay cole

Why is this important to know?
Helps organize numbers in a strategic manner
Understand the values of different numbers
Will help with addition, subtraction, multiplication and division if this concept is understood.
How I would use it in my classroom!
Set up place value as a system of three different houses
One for Ones Period
One for Thousands Period
One for Millions Period
Within each house, have three columns representing ones, tens, and hundreds place
Explain that this system is like a neighborhood and the fences in the neighborhood are represented by commas.
Place Value
Avaliable from http://www.corwin.com/upm-data/9907_040870.pdf
Place Value House
Have students color code houses based on their periods so it is easier for them to remember!
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