http://teams.lacoe.edu/documentation/classrooms/linda/algebra/activities/pattern_grow/pattern_farm.html
http://www.oswego.org/ocsd-web/games/spookyseq/spookysqno.html
http://www.oswego.org/ocsd-web/games/spookyseq/spookytrino.html
http://www.oswego.org/ocsd-web/games/spookyseq/spookycf5.html
http://kidcourses.com/grade-4-math-game-2-patterns-relationships-al/
http://teams.lacoe.edu/documentation/classrooms/linda/algebra/activities/pattern_grow/pattern_farm.html
http://www.oswego.org/ocsd-web/games/spookyseq/spookysqno.html
http://www.oswego.org/ocsd-web/games/spookyseq/spookytrino.html
http://www.oswego.org/ocsd-web/games/spookyseq/spookycf5.html
http://kidcourses.com/grade-4-math-game-2-patterns-relationships-al/