Dublin Core



There are key differences between the way teaching and learning takes place in high schools and universities. Our goal is much more than just getting you to reproduce what was done in the classroom. Here are some key points to keep in mind:
• The pace of this course will be faster than a high school class in
precalculus. Above that, we aim for greater command of the material, especially the ability to extend what we have learned to new situations.
• This course aims to help you build the stamina required to solve
challenging and lengthy multi-step problems.
• As a rule of thumb, this course should on average take 15 hours
of effort per week. That means that in addition to the 5 classroom hours per week, you would spend 10 hours extra on the class. This is only an average and my experience has shown that 12–15 hours of study per week (outside class) is a more typical estimate. In other words, for many students, this course is the equivalent of a halftime job!
• Because the course material is developed in a highly cumulative
manner, we recommend that your study time be spread out evenly over the week, rather than in huge isolated blocks. An analogy with athletics is useful: If you are preparing to run a marathon, you must train daily; if you want to improve your time, you must continually push your comfort zone.


David H. Collingwood
K. David Prince
Matthew M. Conroy


University of Washington


Cut Rita Zahara


Creative Commons






David H. Collingwood, K. David Prince, and Matthew M. Conroy, “Precalculus,” Open Educational Resource (OER) , accessed October 26, 2020,

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