# Series

## Arithmetic sequences

Learn
Sequences introIntro to arithmetic sequencesSequences word problem: growth patternExplicit formulas for arithmetic sequences
Practice
Recursive formulas for arithmetic sequencesGet 3 of 4 questions to level up!
Use arithmetic sequence formulasGet 5 of 7 questions to level up!
Extend arithmetic sequencesGet 3 of 4 questions to level up!
Explicit formulas for arithmetic sequencesGet 3 of 4 questions to level up!

## Geometric sequences

Learn
Intro to geometric sequencesIntro to geometric sequences (advanced)Explicit & recursive formulas for geometric sequencesConverting recursive & explicit forms of geometric sequences
Practice
Extend geometric sequencesGet 3 of 4 questions to level up!
Extend geometric sequences: negatives & fractionsGet 4 of 5 questions to level up!
Use geometric sequence formulasGet 3 of 4 questions to level up!
Explicit formulas for geometric sequencesGet 3 of 4 questions to level up!
Recursive formulas for geometric sequencesGet 3 of 4 questions to level up!
Sequences word problemsGet 3 of 4 questions to level up!

## Geometric series

Learn
Geometric series introductionGeometric series introFinite geometric series formulaWorked examples: finite geometric seriesGeometric series word problems: swingGeometric series word problems: hike
Practice
Geometric series formulaGet 3 of 4 questions to level up!
Finite geometric series word problemsGet 3 of 4 questions to level up!

## Geometric series (with summation notation)

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Summation notationGeometric series with sigma notationWorked example: finite geometric series (sigma notation)Finite geometric series word problem: social mediaFinite geometric series word problem: mortgage
Practice
Summation notation introGet 3 of 4 questions to level up!
Finite geometric seriesGet 3 of 4 questions to level up!

## Arithmetic series

Learn
Arithmetic series introArithmetic series formulaArithmetic seriesWorked example: arithmetic series (sigma notation)Worked example: arithmetic series (sum expression)Worked example: arithmetic series (recursive formula)Arithmetic series worksheetProof of finite arithmetic series formula
Practice
Arithmetic seriesGet 3 of 4 questions to level up!