Other

#### Description:

This engaging web site contains information and interactive applets related to various number systems: Egyptian, Babylonian, Chinese, Greek, Roman, Mayan, and Arabic. Users learn the history and structure of each system as well as how to count and write numbers. The site also allows users to explore finger systems, calculating machines, other number bases, and "interesting numbers." A series of pages on data and graphs includes information and activities on gathering, analyzing, graphing and sorting data. (Because the section on the Arabic number system is so extensive, it is cataloged separately as a related resource.)

#### Subjects:

• Social Studies > General
• Mathematics > General
• Education > General

#### Keywords:

Grade 2,Grade 3,Statistics,Make use of structure,NSDL,Grade 4,Grade 5,Addition,Data presentation,Upper Elementary,Early Elementary,Quadratic,Education,Reason quantitatively,Number concepts,Pi,Social Sciences,Arithmetic,Concept formation,Division,Number and operations,Linear,Chemistry,Algebra,Place value,Golden ratio,Histogram,Properties of operations,Model with mathematics,Data and measurement issues,Mean, median, and mode,Subtraction,Fibonacci sequence,Multiplication,Composition and decomposition of numbers,Patterns and sequences,Equations,Mathematics history,Informal Education,Graphing techniques,Data collection,Use appropriate tools,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Comparison of numbers,Practice Standards,Life Science,Data analysis,Engineering,Social Studies,Zero,History/Policy/Law,oai:nsdl.org:2200/20140728160453333T,Operations,Grade 1,Mental calculation,Famous numbers,e,Data distribution,i,Number sense,Mathematics,Box and whisker plot,General,Connections,Early number systems,Elementary School,Vocational/Professional Development Education,Communication,Process skills,Counting,Technology,Representation

English

#### Access Privileges:

Public - Available to anyone

Creative Commons Attribution Non-Commercial Share Alike

#### Collections:

None
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Non-profit Tax ID # 203478467