مواقع مفيدة

http://time-for-time.com/swf/myclox.swf

http://chatt.hdsb.ca/~bowker/

http://www.gcs.k12.nc.us/177120103012051727/site/default.asp

http://www.aplusmath.com/Flashcards/index.html

http://hoodamath.com/worksheets/

http://www.coolgames321.com/

http://www.cool-games.com/

http://www.coolmathgames.name/

http://www.enotes.com/documents/recognize-extend-patterns-21623