This algebra video discusses the math formulas used when dealing with arithmetic sequences and arithmetic series. It explains how to determine the nth term in a sequence as well as the partial sums of an arithmetic series. Sequences - Free Formula Sheet: ____________________________________ Arithmetic Sequences and Series: Sigma Notation and Summation: Writing a General Formula of an Arithmetic Sequence: Recursive Formulas: Fibonacci Sequence: Geometric Sequences and Series: Algebra and Precalculus Videos: