What’s the sum of the first 100 counting numbers? Where does the sum of the powers of ½ converge to? How can you visualize the Taylor series expansion for sine? Answer these questions (and more!) with summation in Desmos. Get started with the video on the right, then dive deeper with the resources and challenges below.


Summation in action

"The best way to learn is to do." – Paul Halmos

Graphing Challenges

Stretch your skills with graphing challenges.

Example Graphs

Learn more by exploring example graphs.



For more information about summation, check out this support article.

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