Mastering the Fundamentals of Mathematics

Course No. 1014
Professor James A. Sellers, Ph.D.
The Pennsylvania State University
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Course No. 1014
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Course Overview

Multiplying and dividing large numbers. Simplifying fractions and converting percentages. Handling square roots and exponents. These and other skills are the veritable foundation on which all of mathematics rests. To master them is to unlock the door to more advanced areas of study—such as algebra, geometry, and calculus—and to discover new levels of confidence in dealing with the math of everyday life.

Whether you're a high-school student preparing for the challenges of higher math classes, an adult who needs a refresher in math to prepare for a new career, or someone who just wants to keep his or her mind active and sharp, there's no denying that a solid grasp of arithmetic and prealgebra is essential in today's world. Knowing the fundamentals of mathematics can

  • increase your chances of success in high-school and college math classes;
  • prepare you for a career in a field that requires a strong foundation in math, such as economics, engineering, medicine, and the building trades;
  • strengthen your everyday critical thinking skills; and
  • help you handle with confidence everyday tasks such as shopping and planning a personal budget.

Yet despite how basic this kind of math may seem, the mechanics of mathematics remains a mystery to many of us because we've been taught to focus solely on our answers. But in the opinion of award-winning Professor James A. Sellers of The Pennsylvania State University, a true understanding of basic math involves more than just arriving at the right solution. It involves

  • properly understanding the nature of numbers and mathematical concepts,
  • paying close attention to the step-by-step processes behind different calculations, and
  • thinking about what you're solving for—and why you're solving for it in a specific way.

This more well-rounded approach to the basics of mathematics is a surefire way to strengthen your current knowledge or to gain new skills for more deftly and confidently approaching and dealing with math. And it's all available to you in Professor Sellers' engaging course, Mastering the Fundamentals of Mathematics. Using the same inspirational teaching skill and experience he's brought to his other popular Great Courses in math, Professor Sellers reveals the secrets behind all the key math topics you need to know. In 24 lectures packed with helpful examples, practice problems, and guided walkthroughs, you'll finally grasp the all-important fundamentals of math in a way that truly sticks.

Explore All the Essential Areas of Basic Math

Designed for lifelong learners of all ages, Mastering the Fundamentals of Mathematics zeroes in on topics that everyone needs to know:

  • Adding, subtracting, multiplying, and dividing whole numbers, fractions, negative numbers, and decimals
  • Converting between fractions, decimals, and percentages
  • Solving real-world problems involving ratios and proportions
  • Working with whole-number exponents and square roots

With each topic, Professor Sellers shows you how to approach, understand, and solve problems of varying complexity. And, later in the course, he offers brief introductions to more advanced areas of math and prealgebra, including

  • two-dimensional geometry,
  • elementary number theory, and
  • basic probability and statistics.

And whether he's discussing the order of operations or introducing you to methods for plotting points on a coordinate plane, Professor Sellers shows that the key to facing down more intimidating math problems is by tapping into basic concepts and calculations you've already mastered. Like an inspirational instructor who only has your success in mind, he reveals how basic math comes together—and even works together—to help you solve problems such as finding the area of a circle or breaking down a complex word problem involving statistics.Learn Tricks and Shortcuts for Solving Problems

To help you solve problems with greater ease, Mastering the Fundamentals of Mathematics is packed with tips, tricks, techniques, and shortcuts. Here's just a small sampling of what you'll find in this course.

  • Reducing fractions to their lowest terms: When dealing with fractions in math, you'll often be required to express your answers in the lowest terms to make the fractions easier to understand. So how can you tell when a fraction has been reduced to its lowest term? You'll know because the only divisor or factor that the numerator (top number) and denominator (bottom number) share is 1. For example, the fraction 4/8 is not in its lowest term because both numbers share a factor of 2.
  • Adding numbers with different signs: What's a less complicated way to solve an addition problem such as 7 + (- 3) without using a number line? First, figure out which number has the larger absolute value (7). Then, subtract the other absolute value from this one (7 - 3 = 4) and attach the sign of the number that had the larger absolute value (4). That's it!
  • Lining up decimal points: Sometimes, performing calculations with large decimals (such as 153.46 + 5343.3) can be tricky, but the important point is knowing when to align your decimal points. In addition and subtraction problems, it's essential to line up corresponding digits in a right-justified way to get the correct answer; with multiplication and division, however, this alignment is unnecessary.
  • Calculating tips in your head: Do you always find yourself unsure of how much of a tip to leave? Knowing how to work with percentages and decimals makes it easy. To calculate a 15% tip, take 10% of the bill just by moving the decimal point one place to the left (example: $12.00 would be $1.20). Then, add half of that number ($0.60) to that amount and you've got the answer ($1.80). If you want to leave a 20% tip, take 10% of the bill ($1.20) and just double it ($2.40).

An Interactive, Engaging Way to Learn Math

An added feature of Mastering the Fundamentals of Mathematics is its interactive nature. At specific points in a given lecture, Professor Sellers gives you a problem and invites you to pause the course, try your best to solve the problem, and then continue the course to check youranswer alongside his and chart your personal progress. Oftentimes, Professor Sellers roots his practice problems in everyday scenarios in which you're likely to find yourself, such as paying for groceries and tipping at restaurants.

Plus, he's crafted a free, comprehensive workbook with a complete answer key to go along with his course—one that comes filled with additional practice problems on each topic he covers in the course.

Yet even with its wealth of practice problems and exercises, what makes this course so rewarding is ultimately Professor Sellers himself. As Director of Undergraduate Mathematics at The Pennsylvania State University, he's in the unique position of knowing the specific areas math students have trouble with—and the specific ways to help them over these common hurdles. Calm and clear, this winner of the Teresa Cohen Mathematics Service Award is a constantly encouraging presence who refuses to let you give up and helps you prove to yourself that you can be successful in math.

So whether you're just setting out on your mathematical journey or whether you simply want to rediscover what you've forgotten, you'll find Mastering the Fundamentals of Mathematics to be an invaluable guide to an invaluable subject.

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24 lectures
 |  Average 31 minutes each
  • 1
    Addition and Subtraction
    This introductory lecture starts with Professor Sellers’ overview of the general topics and themes you’ll encounter throughout the course. Then, plunge into an engaging review of the addition and subtraction of whole numbers, complete with several helpful tips designed to help you approach these types of problems with more confidence. x
  • 2
    Multiplication
    Continue your quick review of basic mathematical operations, this time with a focus on the multiplication of whole numbers. In addition to uncovering the relationship between addition and multiplication, you’ll get plenty of opportunities to strengthen your ability to multiply two 2-digit numbers, two 3-digit numbers, and more. x
  • 3
    Long Division
    Turn now to the opposite of multiplication: division. Learn how to properly set up a long division problem, how to check your answers to make sure they’re correct, how to handle zeroes when they appear in a problem, and what to do when a long division problem ends with a remainder. x
  • 4
    Introduction to Fractions
    Mathematics is also filled with “parts” of whole numbers, or fractions. In the first of several lectures on fractions, define key terms and focus on powerful techniques for determining if fractions are equivalent, finding out which of two fractions is larger, and reducing fractions to their lowest terms. x
  • 5
    Adding and Subtracting Fractions
    Fractions with the same denominator. Fractions with different denominators. Mixed numbers. Here, learn ways to add and subtract them all (and sometimes even in the same problem) and get tips for reducing your answers to their lowest terms. Math with fractions, you’ll discover, doesn’t have to be intimidating—it can even be fun! x
  • 6
    Multiplying Fractions
    Continue having fun with fractions, this time by mastering how to multiply them and reduce your answer to its lowest term. Professor Sellers shows you how to approach and solve multiplication problems involving fractions (with both similar and different denominators), fractions and whole numbers, and fractions and mixed numbers. x
  • 7
    Dividing Fractions
    Professor Sellers walks you step-by-step through the process for speedily solving division problems involving fractions in this lecture filled with helpful practice problems. You’ll also learn how to better handle calculations involving different notations, fractions, and whole numbers, and even word problems involving the division of fractions. x
  • 8
    Adding and Subtracting Decimals
    What’s 29.42 + 84.67? Or 643 + 82.987? What about 25.7 – 10.483? Problems like these are the focus of this helpful lecture on adding and subtracting decimals. One tip for making these sorts of calculations easier: making sure your decimal points are all lined up vertically. x
  • 9
    Multiplying and Dividing Decimals
    Investigate the best ways to multiply and divide decimal numbers. You’ll get insights into when and when not to ignore the decimal point in your calculations, how to check your answer to ensure that your result has the correct number of decimal places, and how to express remainders in decimals. x
  • 10
    Fractions, Decimals, and Percents
    Take a closer look at converting between percents, decimals, and fractions—an area of basic mathematics that many people have a hard time with. After learning the techniques in this lecture and using them on numerous practice problems, you’ll be surprised at how easy this type of conversion is to master. x
  • 11
    Percent Problems
    Use the skills you developed in the last lecture to better approach and solve different kinds of percentage problems you’d most likely encounter in your everyday life. Among these everyday scenarios: calculating the tip at a restaurant and determining how much money you’re saving on a store’s discount. x
  • 12
    Ratios and Proportions
    How do ratios and proportions work? How can you figure out if a particular problem is merely just a ratio or proportion problem in disguise? What are some pitfalls to watch out for? And how can a better understanding of these subjects help save you money? Find out here. x
  • 13
    Exponents and Order of Operations
    Explore a fifth fundamental mathematical operation: exponentiation. First, take a step-by-step look at the order of operations for handling longer calculations that involve multiple tasks—complete with invaluable tips to help you handle them with ease. Then, see where exponentiation fits in this larger process. x
  • 14
    Negative and Positive Integers
    Improve your confidence in dealing with negative numbers. You’ll learn to use the number line to help visualize these numbers; discover how to rewrite subtraction problems involving negative numbers as addition problems to make them easier; examine the rules involved in multiplying and dividing with them; and much more. x
  • 15
    Introduction to Square Roots
    In this lecture, finally make sense of square roots. Professor Sellers offers examples to help you sidestep issues many students express frustration with, shows you how to simplify radical expressions involving addition and subtraction, and reveals how to find the approximate value of a square root without using a calculator. x
  • 16
    Negative and Fractional Powers
    What happens when you have to raise numbers to a fraction of a power? How about when you have to deal with negative exponents? Or negative fractional exponents? No need to worry —Professor Sellers guides you through this tricky mathematical territory, arming you with invaluable techniques for approaching these scenarios. x
  • 17
    Graphing in the Coordinate Plane
    Grab some graph paper and learn how to graph objects in the coordinate (or xy) plane. You’ll find out how to plot points, how to determine which quadrant they go in, how to sketch the graph of a line, how to determine a line’s slope, and more. x
  • 18
    Geometry—Triangles and Quadrilaterals
    Continue exploring the visual side of mathematics with this look at the basics of two-dimensional geometry. Among the topics you’ll focus on here are the various types of triangles (including scalene and obtuse triangles) and quadrilaterals (such as rectangles and squares), as well as methods for measuring angles, area, and perimeter. x
  • 19
    Geometry—Polygons and Circles
    Gain a greater appreciation for the interaction between arithmetic and geometry. First, learn how to recognize and approach large polygons, including hexagons and decagons. Then, explore the various concepts behind circles (such as radius, diameter, and the always intriguing pi), as well as methods for calculating their circumference, area, and perimeter. x
  • 20
    Number Theory—Prime Numbers and Divisors
    Shift gears and demystify number theory, which takes as its focus the study of the properties of whole numbers. Concepts that Professor Sellers discusses and teaches you how to engage with in this insightful lecture include divisors, prime numbers, prime factorizations, greatest common divisors, and factor trees. x
  • 21
    Number Theory—Divisibility Tricks
    In this second lecture on the world of number theory, take a closer look at the relationships between even and odd numbers, as well as the rules of divisibility for particular numbers. By the end, you’ll be surprised that something as intimidating as number theory could be made so accessible. x
  • 22
    Introduction to Statistics
    Get a solid introduction to statistics, one of the most useful areas of mathematics. Here, you’ll focus on the four basic “measurements” statisticians use when gleaning meaning from data: mean, media, mode, and range. Also, see these concepts at work in everyday scenarios in which statistics plays a key role. x
  • 23
    Introduction to Probability
    Learn more about probability, a cousin of statistics and another mathematical field that helps us make sense of the seemingly unexplainable nature of the world. You’ll consider basic questions and concepts from probability, drawing on the knowledge and skills of the fundamentals of mathematics you acquired in earlier lectures. x
  • 24
    Introduction to Algebra
    Professor Sellers reviews the importance of math in daily life and previews the next logical step in your studies: Algebra I (which involves variables). Whether you’re planning to take more Great Courses in mathematics or simply looking to sharpen your mind, you’ll be sent off with new levels of confidence. x

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Video DVD
Instant Video Includes:
  • Download 24 video lectures to your computer or mobile app
  • Downloadable PDF of the course guidebook
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DVD Includes:
  • 24 lectures on 4 DVDs
  • 136-page course workbook
  • Downloadable PDF of the course guidebook
  • FREE video streaming of the course from our website and mobile apps

What Does The Course Guidebook Include?

Video DVD
Course Guidebook Details:
  • 136-page workbook
  • Diagrams & equations
  • Tables of formulas and rules
  • Glossary

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Your professor

James A. Sellers

About Your Professor

James A. Sellers, Ph.D.
The Pennsylvania State University
Dr. James A. Sellers is Professor of Mathematics and Director of Undergraduate Mathematics at The Pennsylvania State University. He earned his B.S. in Mathematics from The University of Texas at San Antonio and his Ph.D. in Mathematics from Penn State. In the past few years, Professor Sellers has received the Teresa Cohen Mathematics Service Award from the Penn State Department of Mathematics and the Mathematical Association...
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Reviews

Mastering the Fundamentals of Mathematics is rated 4.8 out of 5 by 92.
Rated 5 out of 5 by from Perfect Intro Math Course This is an excellent introductory Mathematics course. It's a great refresher if you have not dealt with this type of material in some time. James Sellers is outstanding; he presents the material in a clear and concise fashion with a dash of humor. I would also recommend the workbook which has lots of problems that help you master the coursework. First rate!
Date published: 2020-09-03
Rated 5 out of 5 by from Excellent Refresher for Senior Recently, I noticed that my every-day math skills were slipping. I found this course and decided to give it a try, and I have found it to be excellent. The instructor is clear in his instructions, and the examples work well. It didn't take long, after reviewing this course, to get my math skills back. Strangely, I've enjoyed learning the math facts now, more now than I did when I was in school. Excellent course.
Date published: 2020-08-12
Rated 5 out of 5 by from The professor uses excellent examples and analogies. He also friendly with a pleasing personality.
Date published: 2020-06-08
Rated 5 out of 5 by from I reviewed the course and thought it was exceptional. I know when I go to study it, it will be a treat for me. Thank you very much!
Date published: 2020-06-08
Rated 5 out of 5 by from Very well organized The course was a great remedial review of the basic mathematical operations that one may have forgotten. The lecturer is concise and well prepared. The examples of the topics are well chosen.
Date published: 2020-05-12
Rated 5 out of 5 by from Begin at the Beginning In the case of mathematics (arithmetic), this means addition and it is exactly how Professor Sellers begins: lesson one, addition and subtraction. But don’t be fooled. He moves methodically through the basic arithmetic operations eventually getting to exponents and square roots, graphing, some elementary geometry, a taste of statistics and a brush with probability and ends with a final lesson that is titled “Introduction to Algebra” and is actually a sales pitch to continue learning about math. I had only taken a few math courses from TTC and as I have always enjoyed math, thought that I’d take a few more. But as in my professional life I did not use much math other than perhaps some statistics, I knew I’d become quite rusty and had likely forgotten more than I remembered. So I decided to survey what was on offering and decided to begin with what looked like the beginning course. Dr. Sellers at first seems to take a mind-numbingly slow and repetitive approach with his lectures. But that he can go from lower-elementary math to perhaps about the beginning of middle school in only 12 hours indicates that he is really not going that slowly. He saves time by mostly avoiding many of the things that math courses normally require, such as “proving” anything. His technique is usually to use a couple of examples to demonstrate some rule that is being discussed and call it good. Fair enough, as “proofs” are often of interest only to those who are interested in more advanced math. Also he does not mention any personalities in the history of mathematics, at least until lecture 17, where he does bring in Rene Descartes during the lecture on graphing. I guess he just could not wait (later he does also mention Euclid, Newton and Leibnitz, so we get just a bit of history also. Dr. Sellers also developed a couple of algebra courses, so I’ll check those out too, as time permits. As mentioned his presentation is measured and easily understood, both in terms of content and delivery. It does seem slow and I’m curious as to how he will proceed when delivering a bit more of an advanced topic. There are plenty of problems for students unfamiliar with the mechanics in the accompanying course book and I’m sure that they would be helpful for those who missed out along the academic way. Recommended, although I think that most who are taking TC courses will fast forward through quite a bit.
Date published: 2020-04-30
Rated 5 out of 5 by from Perfect for School Distant Learning Replacement This course has been pure perfection as a replacement for my 6th graders distant learning math class. Our school's distant learning was overwhelming and underwhelming at the same time. This course's classes are crystal clear excellence and has allowed us to assess my son's skills from back to day one. I recommend getting disc, so that you have the actual workbook in hand - making practice problems easy to access and hold onto in group. After this course, he'll be ready to solidly move into algebra. While my son is 12, this class is perfect for anyone at any grade, age, or education level - who needs to reassess or relearn basic skills. Mama is relearning a ton on the way as well...
Date published: 2020-04-29
Rated 5 out of 5 by from Very Good! I needed help with my math but I felt intimidated by the subject. Professor Sellars made it interesting and calmed my fears which allowed me to learn and stay with it.
Date published: 2020-04-21
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