The Physics Primer is a focused set of math tutorials built into Mastering Physics, the online homework platform published by Pearson. It’s designed to help students in introductory college physics courses brush up on the specific math skills they’ll need, from scientific notation to trigonometry to vector operations. If your instructor just assigned it, you’re looking at a series of short modules that review math concepts in the context of physics problems rather than as standalone math lessons.
What the Physics Primer Covers
The Physics Primer is not a full math textbook. It zeroes in on the mathematical topics that trip up new physics students most often. Each module includes a learning goal, a list of prerequisite math skills you should already have, and a concise explanation of how that math concept applies to physics. The emphasis is practical: you get exactly enough math to work through relevant physics problems, and no more.
Topics typically include unit conversions, scientific notation, basic algebra rearrangement, trigonometric functions, vector addition, and graphing relationships between variables. Some modules also cover logarithms and basic calculus concepts, depending on whether your course is algebra-based or calculus-based. Your instructor chooses which modules to assign based on what your particular course requires, so you may not see every available topic.
How It Works Inside Mastering Physics
The Primer lives within Pearson’s Mastering Physics platform, so you’ll access it through the same login you use for your regular homework assignments. Each module walks you through a topic with a short explanation, then asks you to solve practice problems. When you make a mistake, the system provides hints and feedback based on the most common errors students make on that type of problem. Some topics also include short video presentations that walk through the concept step by step.
Instructors can assign the Primer modules before the course even starts, as a way to get everyone up to speed on foundational math. Others assign them throughout the semester as “just-in-time” remediation, meaning you’ll work through a trigonometry module right before the week you need trig to solve force-component problems. Either way, the goal is the same: close the gap between the math you remember and the math your physics course assumes you know.
Who It’s Designed For
The Physics Primer targets students entering introductory college physics, whether that’s a calculus-based sequence for engineering majors or an algebra-based course for life science students. It assumes you’ve taken high school math but recognizes that many students arrive at university physics with rusty skills or gaps in specific areas. Research on introductory physics students at multiple universities has consistently shown that math fluency, not conceptual understanding, is often the biggest barrier to success in first-year physics.
If you’re a self-directed learner rather than a college student, the Primer itself won’t be available to you outside of a Mastering Physics course. But the concept behind it, reviewing targeted math skills before diving into physics content, is a strategy you can replicate with free resources. The open-source textbook “College Physics” by Urone and Hinrichs, for instance, has a companion video series on YouTube covering introductory kinematics in about two hours across ten lessons.
Why Math Review Matters for Physics
Physics problems require you to translate a physical situation into math, solve the math, and then interpret what the answer means. That middle step falls apart quickly if you’re shaky on algebra or don’t remember how sine and cosine relate to the sides of a triangle. A common example: when an object sits on a ramp, you need to break the force of gravity into two components, one parallel to the ramp and one perpendicular. That requires trigonometry. If you’re still trying to remember which function gives you which side, you can’t focus on the physics concept the problem is actually teaching.
The Primer’s approach of embedding math review inside physics contexts helps bridge this gap. Instead of reviewing trig in the abstract, you review it while setting up a free-body diagram or resolving vectors. This matters because physics math isn’t just computation. It’s about identifying which forces act on an object, choosing a useful coordinate system, and recognizing when a problem simplifies because acceleration in one direction is zero. The math and the physics reasoning develop together.
How It Differs From a Physics Textbook
The Physics Primer is a supplement, not a replacement for your course textbook. It won’t teach you Newton’s laws, explain how energy conservation works, or introduce electric fields. Those concepts come from your textbook and lectures. What the Primer does is make sure you have the mathematical toolkit to engage with those topics when they arrive. Think of it as the prerequisite check your course probably doesn’t formally require but probably should.
It’s also distinct from well-known physics textbooks that sometimes get called “primers” informally. David Griffiths’ “Introduction to Quantum Mechanics,” for example, is sometimes described as a primer on quantum physics, but it’s a full junior-level textbook covering wave functions, perturbation theory, and scattering. The Pearson Physics Primer operates at a much more foundational level, targeting the math behind introductory mechanics and occasionally introductory electricity and magnetism.
Getting the Most Out of It
If your instructor assigned the Primer, resist the temptation to click through it quickly. The hints and feedback are genuinely useful because they’re built around the specific mistakes students actually make, not generic “try again” messages. Pay attention to problems where you hesitate or guess, because those are the exact skills that will slow you down on exams later.
Take notes on the methods each module teaches, particularly for vector problems and unit conversions, since those come up repeatedly throughout any introductory physics course. If a module includes a video, watch it even if you got the practice problems right. The videos often frame the math in a slightly different way that can deepen your understanding of why a technique works, not just how to execute it.