OML Search

Arithmetic Series

Related Topics:
More Lessons for Grade 9

Math Worksheets

Videos, worksheets, games and activities to help Algebra II students learn about arithmetic series.

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

The formulas to find the nth partial sum of an arithmetic sequence is
\({S_n} = \frac{n}{2}\left( {{a_1} + {a_n}} \right)\) or

\({S_n} = \frac{{n\left[ {2{a_1} + (n - 1)d} \right]}}{2}\)

Arithmetic Series
Arithmetic Series
This video covers the general formula for arithmetic series

Arithmetic Series page 1
Arithmetic Series page 2


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

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

OML Search

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.

[?] Subscribe To This Site

follow us in feedly
Add to My Yahoo!
Add to My MSN
Subscribe with Bloglines