Changing slope & y-intercept in applied situations

How to:
http://www.ehow.com/how_8333730_interpret-slope-intercepts-word-problems.html

Game(s):
Word problems
https://gcps.desire2learn.com/d2l/lor/viewer/viewFile.d2lfile/6605/6844/slopeintwordproblems_print.html

Video(s):
Real life situations
http://www.youtube.com/watch?v=mMMho1guBEg
Word problems video tutorial
http://www.youtube.com/watch?v=yMwweD4Fkx4

Practice problem(s):
1)http://www.galenaparkisd.com/curriculum/math/documents/AlgChangingSlopeandy-InterceptsinAppliedSituations.pdf
2)http://www.whizkids.info/files/slope3.html

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