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Ch 47: WEST Math: Sequences & Series

About This Chapter

These short, entertaining videos help you brush up on the sequences and series concepts you need to know for the WEST Math certification assessment. Reach out to our instructors if you need any help with the material.

WEST Math: Sequences & Series - Chapter Summary

Use these quick, entertaining video lessons to study sequences and series in preparation for the WEST Math examination. As you work through the chapter, you will review:

  • Different types of sequences
  • Rules and formulas associated with various sequences
  • Use of general terms and first n terms of sequences
  • The function of arithmetic series
  • The Fibonacci Sequence
  • Recursive rules for sequences

Take the quiz after each lesson to evaluate your mastery of the concepts. If you need additional guidance or clarification regarding the material, ask our instructors for assistance.

Objectives of the WEST Math: Sequences & Series Chapter

The video lessons and companion transcripts in this chapter cover important sequences and series concepts you'll likely encounter as you take the WEST Math assessment. Use the lesson quizzes to pinpoint areas where additional review is necessary and to introduce yourself to the WEST format. Our lesson assessments are styled after questions from the exam. You will have four hours and fifteen minutes to complete all 150 multiple-choice tasks.

The assessment is administered by computer and includes content spanning five domains, which are weighted as follows regarding your score: mathematical processes and number sense (19%); patterns, algebra and functions (24%); measurement and geometry (19%); trigonometry and calculus (19%); and statistics, probability and discrete mathematics (19%).

10 Lessons in Chapter 47: WEST Math: Sequences & Series
Test your knowledge with a 30-question chapter practice test
Introduction to Sequences: Finite and Infinite

1. Introduction to Sequences: Finite and Infinite

In this video lesson, we will learn about the many patterns that are possible in sequences. See how some sequences stop after a while and how some sequences never stop.

Arithmetic Sequences: Definition & Finding the Common Difference

2. Arithmetic Sequences: Definition & Finding the Common Difference

Watch this video lesson to learn the pattern that defines an arithmetic sequence. Learn how to identify arithmetic sequences as well as find the pattern easily. You will also learn the formula you can use to write any number in your sequence.

How and Why to Use the General Term of an Arithmetic Sequence

3. How and Why to Use the General Term of an Arithmetic Sequence

Watch this video lesson to learn the formula for the general term of an arithmetic sequence. Also learn why this formula makes working with an arithmetic sequence much easier.

The Sum of the First n Terms of an Arithmetic Sequence

4. The Sum of the First n Terms of an Arithmetic Sequence

In this video lesson, you will learn an easy to use formula for summing an arithmetic sequence. Watch as we use the formula in action and then get a chance to use it yourself as you follow along.

Understanding Arithmetic Series in Algebra

5. Understanding Arithmetic Series in Algebra

In this video lesson, we will learn about arithmetic series and how they work. Learn also how to find the pattern of an arithmetic sequence along with finding the sum.

Working with Geometric Sequences

6. Working with Geometric Sequences

In this video lesson, we'll learn how to recognize when a sequence of numbers is a geometric sequence, how to find the common ratio and how to expand a sequence to as many numbers as we want!

How and Why to Use the General Term of a Geometric Sequence

7. How and Why to Use the General Term of a Geometric Sequence

Watch this video lesson to learn the formula for the general term of a geometric sequence. You will learn how to write your own general term given a particular geometric sequence as well as the reason for doing this.

The Sum of the First n Terms of a Geometric Sequence

8. The Sum of the First n Terms of a Geometric Sequence

Watch this video lesson to learn how you can find the total of a geometric sequence up to a certain point. Learn the formula that you can use to help you find your answer.

Understand the Formula for Infinite Geometric Series

9. Understand the Formula for Infinite Geometric Series

Watch this video lesson to learn how to calculate the sum of an infinite geometric series. Learn about the interesting thing that happens when your common ratio is less than one.

Using Recursive Rules for Arithmetic, Algebraic & Geometric Sequences

10. Using Recursive Rules for Arithmetic, Algebraic & Geometric Sequences

When dealing with sequences in math, both algebraic and geometric, we come across recursive rules. Watch this video lesson to learn how recursion works and how you can use a recursive rule to get to your next number using a previous number.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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Other Chapters

Other chapters within the NES Mathematics - WEST (304): Practice & Study Guide course

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