The Math You Need, When You Need It http://serc.carleton.edu/mathyouneed/

Math tutorial modules for students in introductory geoscience courses Each module has Explanation Page Sample Problems Instructor Page On-line Quiz* The one part that is not openly available http://serc.carleton.edu/mathyouneed/

They work! (Students like them)

They usually work (Students learn) School/Course Semester/quarter offered number of students # of posttest attempts allowed completion rate Average change pre- to posttest (percentage points) UWO Physical Geology Fall sem 2008 154 1 90% 28 Spring sem 2009 166 unlim. 95% 42 UWO Environmental Geology Fall sem 2008 § 180 67% 19 HCC Physical Geology Fall qtr 2008 § 5 40% -33† Spring qtr 2009 10 80% 18† Fall qtr 2009 § 60% -13† § Instructor included significant quantitative material for the first time † Small sample size (n≤10) precludes significance testing

Lots of others seem to like it too!