Ratio and Percents Around the World
Following are links to Internet resources that can be used to support instruction of the
Math World feature for this chapter.
How well do you know Roman numerals? You'll find a tough quiz to find out how well you understand this number system. Learn about the history and use of Roman numerals with some photos of the real thing etched in stone. Rome wasn't built in a day, so visit the site again if you need more practice. Conversion tables are also available.
The Nippur Expedition
Discover detailed information about the ancient city of Nippur, in present-day Iraq, at this archeaology site from the Oriental Institute at the University of Chicago. You may find the ancient Near East maps at the site useful in your explorations.
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