Most introductory algebra-based physics courses focus entirely on simple situations for which neat analytical solutions exist: constant acceleration, freefall, simple harmonic motion. One of the main reasons for this is that most of our students lack the mathematical tools to investigate these complicated situations which more closely match those they would find in the real world. However, the use of spreadsheets and coding languages enables a different but powerful approach to situations whose analytical solutions are too difficult for algebra-based students to deal with. When using differential models, students can observe complex behavior emerge from simple, easily-understood rules. Here we demonstrate a number of situations from mechanics and circuits which highlight the advantage of differential models in making complex phenomena accessible to students with little background in math such as motion with non-uniform acceleration, air resistance and terminal velocity, simple and damped harmonic motion, non-Ohmic resistance, and RC circuits.

Utility of Differential Models in Algebra-Based Physics

The solving of physics problems is often an important component of introductory physics courses. For many students, approaching a physics problem, organizing their thoughts, and reaching a solution is a novel skill which needs to be taught and mastered. Rubrics can be powerful tools to guide student development of new skills. Here we will discuss the development of problem solving rubric we have implemented in our large enrollment introductory physics course. We will discuss the particular challenges and advantages of using these rubrics in an online course. Finally, we will then discuss the extent to which these rubrics were successful in changing student behavior over the course of two semesters of instruction.

Rubrics to Teach Problem-Solving Strategies in Large Enrollment Online Courses

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AAPT meetings are a great way to reflect on your teaching, recommit to best practices and re-energize your career with new research, products, and techniques. Listen to internationally known plenary speakers, attend sessions, workshops, and special activities. This meeting is an excellent opportunity to share your expertise and learn from and network with leaders in the field.



AAPT SM 22

AAPT meetings are a great way to reflect on your teaching, recommit to best practices and re-energize your career with new research, products, and techniques. Listen to internationally known plenary speakers, attend sessions, workshops, and special activities. This meeting is an excellent opportunity to share your expertise and learn from and network with leaders in the field.

PS.A-SA-09: PER: Student Content Understanding, Problem-Solving and Reasoning I

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Join AAPT and Physics Educators worldwide in developing and strengthening your professional connections by attending the 2021 AAPT Virtual Summer Meeting. AAPT meetings are a great way to reflect on your teaching, recommit to best practices and re-energize your career with new research, products, and techniques.

Listen to internationally known plenary speakers, attend sessions, workshops, and special activities. Attending the virtual summer meeting is an excellent opportunity to share your expertise and learn from and network with leaders in the field.

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Josh Rutberg

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Utility of Differential Models in Algebra-Based Physics

Rubrics to Teach Problem-Solving Strategies in Large Enrollment Online Courses

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