Adam's Method
Chapter 2 Approaches to Problem Solving
2A Working with Units
learnlab activity for dimensional analysis
Dimensional Analysis AlgebraLab
Huntington-Hill Method Calculator
https://sites.google.com/a/chccs.k12.nc.us/ms-neill-s-page/home/discrete/chapter-4-apportionment
http://mef.d41teachers.org/teachers/uploads/airvin/12-10_review_worksheet_for_percent_quiz.pdf