## Multiplying Decimals Around the World

Following are links to Internet resources that can be used to support instruction of the Math World feature for this chapter.

A Brief History of Currency
The San Francisco Federal Reserve Bank in California has compiled a short history about United States money. More details about paper money are available.
http://www.frbsf.org/frbsf/pubs/annualrpt/history.html

The History of Money
The Federal Reserve Bank in Minneapolis, Minnesota features this page with a brief description of the history of money. This is part of their Our Money online curriculum unit. A teacher's guide and list of related Internet links are provided.
http://woodrow.mpls.frb.fed.us/econed/curric/history.cfm

Geographical Directory of World Paper Money
Visit this Web site to find pictures of paper currency from around the world. Collector Ronald Wise provides this numismatic resource.
http://www.banknoteworld.com/notedir/mappage.html

Foreign Exchange Rates
Kurt Swanson, a student at Lund University in Sweden, has created this site to display current exchange rates. U.S. Dollar has already been selected, so just click the link for the currency you wish to exchange, and you'll get the conversion rates to and from U.S. dollars. Use this site to practice decimal multiplication.
http://travlang.com/money/

The Origins of Metrology
This site offers insight on how the ancient Mesopotamians and other cultures measured four quantities: length, area, volume, and weight. This information is provided by Brown & Sharpe, manufacturers of measuring instruments.
http://www.brownandsharpe.com/origins/origins_1.asp

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