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`Mathematics`

`A. Number Sense, Concepts, and Operations:`2. The student
understands number systems`.:6-8:The student...`

`MA.A.2.3.1`` Add Website - Add Activity`

`understands and uses exponential and scientific notation.`

Scientific Notation for Big Numbers

http://www.mindspring.com/~target/scale/scinot.htmScientific notation was developed in order to easily represent numbers that are either very large or very small. Scientific notation makes adding, subtracting, multiplying and dividing numbers much simpler.

`MA.A.2.3.2`` Add Website - Add Activity`

`understands the structure of number systems other than the decimal
number system.`

Middle Level Math

http://forum.swarthmore.edu/~steve/steve/mathmid.htmlnumerous grade 6-8 math resources; listed in sub-categories

The Maya Astronomy Page

http://www.astro.uva.nl/michielb/maya/astro.htmlThis site provides students a good introduction to Mayan astronomy. It also includes a brief description of the Mayan culture, and a description of their Base 20 number system.

A java applet is included which allows you to type a Base 10 number and view it in Mayan writing. Requires a java-enabled browser to use all features.