James Davis's Public Library

www.twincities.com/ci_14045406 - Preview

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Online, multiplayer games from NCTM.

calculationnation.nctm.org - Preview

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Several modules with step-by-step explorations of algebra concepts using the TI-83 / TI-84 calculators.

education.ti.com/...pd_onlinealgebra_free.html - Preview

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A collection of online math activities. Ad-supported, but the ads are not (too) intrusive.

emathematics.net - Preview

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Links to sites of free clipart for classroom use.

www.bloomington.k12.mn.us/...graphics.html - Preview

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Free printables of nets (3D model cutouts).

www.senteacher.org/...Nets.xhtml - Preview

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School version of EB - can select Elementary, Middle School or High School level.

school.eb.com/elementary - Preview

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"Viewing nature and technology in context", a holistic, Goethean, qualitative approach to science and nature.

natureinstitute.org - Preview

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Resources for teachers for developing ecoliteracy

www.ecoliteracy.org - Preview

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Besides the Wayback Machine, the Internet Archive has been adding thousands of moving images, audio recordings and texts.

www.archive.org/index.php - Preview

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PDF file of the EToys Quick Start guide (same as is available from the Help button in EToys.

www.etoysillinois.org/...de%20-%20English%20version.pdf - Preview

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Free PDF file of a book on Squeak Smalltalk. Very useful if you want to go beyond the visual programming interface of Etoys.

squeakbyexample.org - Preview

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The page is simple: sixty symbols that link to a physics or astronomy YouTube discussion. Simple and elegant.

www.sixtysymbols.com - Preview

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"A practical approach to creating safe, challenging, and joyful elementary classrooms"

www.responsiveclassroom.org - Preview

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"he AMSER Science Reader Monthly aims to provide educators with a useful package of information about a particular topic related to applied math and science by combining freely available articles from popular journals with curriculum, learning objects, and web sites from the AMSER portal."

www.amser.org/AMSER--ScienceReader.php - Preview

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More on EToys from the OLPC wiki. This page is more tutorial and background.

wiki.laptop.org/Sugar_Etoys - Preview

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The EToys project at the University of Illinois at Urbana-Champaign. There are sample projects and lesson plans for download.

www.etoysillinois.org/index.php - Preview

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EToys is an important app on the One Laptop Per Child (OLPC) machines. The OLPC wiki is a good source of information on EToys.

wiki.laptop.org/Etoys - Preview

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The home page for the squeakland EToys project. Downloads, user community, articles, and more.

www.squeakland.org/ - Preview

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Interactive tool includes both positive and negative tiles. The site has a "solve a given equation" mode and a "model equation" mode. It would be nice if there was a "cancel" option to cancel out positive and negative values.

my.hrw.com/...Algebra_Tiles.html - Preview

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