Number Sequences

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On-Line Encyclopedia of Integer Sequences http://www.research.att.com/~njas/sequences/

Queendom Number Sequences http://www.queendom.com/mindgames/mindstretching/iq_quizzes/iq-quiz10.html

BBC Schools Number Sequences http://www.bbc.co.uk/education/asguru/maths/13pure/03sequences/16sequences/index.shtml

Ask Dr. Math -- Strategies for Tests on Sequences http://mathforum.org/library/drmath/view/56865.html

Shodor Interactive Sequencer http://www.shodor.org/interactivate/activities/sequencer/index.html

Shodor Project Interactivate Teacher Resources http://www.shodor.org/interactivate/teacher.html

King's List of On-Line Math Activities http://www.k111.k12.il.us/king/math.htm

Hands-On Math -- Sequences http://www.dpgraph.com/janine/mathpage/patterns.html

Internet4Classrooms -- Secondary Mathematics http://www.internet4classrooms.com/math_sec.htm
Links list.