# Sequences, series and induction

Contents

An assortment of concepts in math that help us deal with sequences and proofs.

Try some practice problems

Learn by doing or check your understanding

Review arithmetic sequences before you dive into arithmetic series.

Learn how to use and interpret sigma notation. Hint: It means take the sum!

Learn how to evaluate and work with finite arithmetic series.

Review geometric sequences before you dive into geometric series.

Whether you are computing mortgage payments or calculating how many users your website will have after a few years, geometric series show up in life far more than you imagine. This tutorial will review all the important concepts and more!

Apply what you've learned about geometric series to model situations in some fun word problems.