The Modeling Instruction program uses a test called the Assessment of Basic Chemistry Concepts (ABCC) that is available if you pay for access to their materials. It's not perfect, but it does a nice job of being a short pre/post test you can give at the beginning and end of each year. You may also try one of the ACS Exams. Lindsay, you may want to take that file down and email a copy to Sulekha if you are concerned about that file being found online by students. I know we have to log in to get to this site, but things do happen.

Here's the one I use. It's in ExamView format and is all multiple choice. The first half is basic math skills and the second half is basic science skills.

There are some examples in this 'math in chemistry' review packet that you could use to create a pretest: http://eperalta.org/fall2016/pluginfile.php/161219/mod_resource/content/1/Math%20Review%20Packet.pdf This chemistry pretest has some good math examples (as well as vocabulary, etc.): http://chem.lapeer.org/Exams/PretestLoehman.pdf Here are some other math questions for a chemistry class: http://thederousieclass.weebly.com/uploads/8/4/4/7/8447500/math_pretest.pdf