Arithmetic Series

These lessons, with videos, examples, and step-by-step solutions, help Algebra II students learn about arithmetic series.

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What is an Arithmetic Series?
An arithmetic series is the sum of terms of an arithmetic sequence.

What are the formulas to find the nth partial sum of an arithmetic sequence?

The following diagrams give two formulas to find the Arithmetic Series or the nth partial sum of an arithmetic sequence. Scroll down the page for examples and solutions on how to use the formulas.

Sum of Arithmetic Sequence

Arithmetic Series

Arithmetic Series
This video covers the general formula for arithmetic series

Arithmetic Series page 1

Arithmetic Series page 2

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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