James A. Sellers Ph.D. - The Pennsylvania State University

36xDVDRip | English | AVI | 640 x 480 | XviD ~735 kbps | 29.970 fps

MP3 | 128 kbps | 48.0 KHz | 2 channels | 36 lectures of 30 minutes | 6.75 GB

Algebra I is one of the most critical courses that students take in high school. Not only does it introduce them to a powerful reasoning tool with applications in many different careers, but algebra is the gateway to higher education. Students who do well in algebra are better prepared for college entrance exams and for college in general, since algebra teaches them how to solve problems and think abstractly-skills that pay off no matter what major they pursue.Because algebra involves a new way of thinking, many students find it especially challenging. Many parents also find it to be the area where they have the most trouble helping their high-school-age children. With 36 half-hour lessons,

Taught by Professor James A. Sellers, an award-winning educator at The Pennsylvania State University,

Drawing on extensive research, The Great Courses and Dr. Sellers have identified the biggest challenges for high school students in mastering Algebra I, which are specifically addressed in this course.

This course reflects the latest standards and emphases in high school and college algebra taught in the United States.

Professor Sellers interacts with viewers in a one-on-one manner, carefully explaining every step in the solution to a problem and giving frequent tips, problem-solving strategies, and insights into areas where students have the most trouble.

As Director of Undergraduate Mathematics at Penn State, Professor Sellers appreciates the key role that algebra plays in preparing students for higher education. He understands what entering college students need to have mastered in terms of math preparation to launch themselves successfully on their undergraduate careers, whether they intend to take more math in college or not. Professor Sellers is alert to the math deficiencies of the typical entering high school graduate, and he has developed an effective strategy for putting students confidently on the road to college-level mathematics.

Whatever your age, it is well worth the trouble to master this subject. Algebra is indispensible for those embarking on careers in science, engineering, information technology, and higher mathematics, but it is also a fundamental reasoning tool that shows up in economics, architecture, publishing, graphic arts, public policy, manufacturing, insurance, and many other fields, as well as in a host of at-home activities such as planning a budget, altering a recipe, calculating car mileage, painting a room, planting a garden, building a patio, or comparison shopping.

And for all of its reputation as a grueling rite of passage, algebra is actually an enjoyable and fascinating subject-when taught well.

Professor Sellers takes the fear out of learning algebra by approaching it in a friendly and reassuring spirit. Most students won't have a teacher as unhurried and as attentive to detail as Dr. Sellers, who explains everything clearly and, whenever possible, in more than one way so that the most important concepts sink in.

He starts with a review of fractions, decimals, percents, positive and negative numbers, and numbers raised to various powers, showing how to perform different operations on these values. Then he introduces variables as the building blocks of algebraic expressions, before moving on to the main ideas, terms, techniques, pitfalls, formulas, and strategies for success in tackling Algebra I. Throughout, he presents a carefully crafted series of gradually more challenging problems, building the student's confidence and mastery.

After taking this course, students will be familiar with the terminology and symbolic nature of first-year algebra and will understand how to represent various types of functions (linear, quadratic, rational, and radical) using algebraic rules, tables of data, and graphs. In the process, they will also become acquainted with the types of problems that can be solved using such functions, with a particular eye toward solving various types of equations and inequalities.

Throughout the course, Professor Sellers emphasizes the following skills:

Using multiple techniques to solve problems

Understanding when a given technique can be used

Knowing how to translate word problems into mathematical expressions

Recognizing numerical patterns

Algebra is a rich and complex subject, in which seemingly insurmountable obstacles can be overcome, often with ease, if one knows how to approach them. Professor Sellers is an experienced guide in this terrain and a treasure trove of practical advice-from the simple (make sure that you master the basics of addition, subtraction, multiplication, and division) to the more demanding (memorize the algebraic formulas that you use most often). Here are some other examples of his tips for success:

Learn the order of operations: These are the rules you follow when performing mathematical operations. You can remember the order with this sentence: Please Excuse My Dear Aunt Sally. The first letter of each word stands for an operation. First, do all work in parentheses; then the exponents; then multiplication and division; finally, do the addition and subtraction.

Know your variables: It's easy to make a mistake when writing an algebraic expression if you don't understand what each variable represents. Choose letters that you can remember; for example, d for distance and t for time. If you have sloppy handwriting, avoid letters that look like numbers (b, l, o, s, and z).

Use graph paper: You'll be surprised at how the grid of lines encourages you to organize your thinking. The columns and rows help you keep your work neat and easy to follow.

Pay attention to signs: Be very careful of positive and negative signs. A misplaced plus or minus sign will give you the wrong answer.

Don't mix units: If you are using seconds and are given a time in minutes, make sure to convert the units so they are all the same.

Simplify: Straighten out the clutter in an equation by putting like terms together. Constants, such as 7, -2, 28, group together, as do terms with the same variable, such as 3x, x, -10x. Then combine the like terms. Often you'll find that the equation practically solves itself.

Balance the equation: When you perform an operation on one side of an equation-such as adding or subtracting a number, or multiplying or dividing the entire side by a quantity-do the exact same thing to the other side. This keeps things in balance.

Above all, check your work! When you have finished a problem, ask yourself, "Does this answer make sense?" Plug your solution into the original equation to see if it does. Checking your work is the number one insurance policy for accurate work-the step that separates good students from superstar students.

By developing habits such as these, you will discover that solving algebra problems becomes a pleasure and not a chore-just as in a sport in which you have mastered the rudiments and are ready to face a competitor. Algebra I gives you the inspirational instruction, repetition, and practice to excel at what for many students is the most dreaded course in high school. Open yourself to the world of opportunity that algebra offers by making the best possible start on this all-important subject.

More Info: homepage

00. Professor Bio

01. An Introduction to the Course

02. Order of Operations

03. Percents, Decimals, and Fractions

04. Variables and Algebraic Expressions

05. Operations and Expressions

06. Principles of Graphing in 2 Dimensions

07. Solving Linear Equations, Part 1

08. Solving Linear Equations, Part 2

09. Slope of a Line

10. Graphing Linear Equations, Part 1

11. Graphing Linear Equations, Part 2

12. Parallel and Perpendicular Lines

13. Solving Word Problems with Linear Equations

14. Linear Equations for Real-World Data

15. Systems of Linear Equations, Part 1

16. Systems of Linear Equations, Part 2

17. Linear Inequalities

18. An Introduction to Quadratic Polynomials

19. Factoring Trinomials

20. Quadratic Equations-Factoring

21. Quadratic Equations-The Quadratic Formula

22. Quadratic Equations-Completing the Square

23. Representations of Quadratic Functions

24. Quadratic Equations in the Real World

25. The Pythagorean Theorem

26. Polynomials of Higher Degree

27. Operations and Polynomials

28. Rational Expressions, Part 1

29. Rational Expressions, Part 2

30. Graphing Rational Functions, Part 1

31. Graphing Rational Functions, Part 2

32. Radical Expressions

33. Solving Radical Equations

34. Graphing Radical Functions

35. Sequences and Pattern Recognition, Part 1

36. Sequences and Pattern Recognition, Part 2

37. Credits

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Mirror1: Algebra I - Course No. 1001

Mirror2: Algebra I - Course No. 1001

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