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[Grade 5 Chapter 9 Math World]

Fractions Around the World

Internet Links

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

Base unit definitions: Meter
The Physics Laboratory of the National Institute of Standards and Technology provides information on the origins of the meter.

Leap Years
The Royal Greenwich Observatory in England prepared a leaflet explaining the Leap Year which has been reproduced online. While you're there, check the index of information leaflets for other astronomical topics that interest you. The calendar leaflet is a related example.

Interactive Weather Information Network
The National Weather Service provides this site to make weather information available quickly. You may also wish to get weather data, such as rainfall amounts for your location, by clicking on your state, then on the Climatic Data button. A text-only version is also available.

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