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Old Dominion University: Geometric Series
This site explains the geometric series. There is a link to the theory of the geometric theory.
Math Planet
Math Planet: Algebra 2: Arithmetic Sequences and Series
Provides an explanation, examples, and a video lesson all related to arithmetic sequences and series.
Math Planet
Math Planet: Algebra 2: Geometric Sequences and Series
Gain an understanding of geometric sequences and series by viewing examples and a video lesson. [1:46]
McGraw Hill
Glencoe Mathematics: Online Study Tool: Quiz on Geometric Sequences and Series
Students display understanding of advanced mathematical concepts. The online quiz assesses the scholars on geometric sequences and series.
Mangahigh
Mangahigh: Algebra: The Term to Term Rule
Students explore the concept of the term to term rule by working through an online tutorial and then attempting a ten question quiz that increases in difficulty as questions are answered correctly.
Mangahigh
Mangahigh: Algebra: Find the Nth Term of a Linear Sequence
Students explore an interactive tutorial on linear sequences and then practice their knowledge by attempting ten questions that increase in difficulty level.
Mangahigh
Mangahigh: Algebra: Find the Nth Term of a Nonlinear Sequence
Students explore an interactive tutorial on nonlinear sequences and then practice their knowledge by attempting ten questions that increase in difficulty level.
Khan Academy
Khan Academy: Finite Geometric Series
Evaluate finite geometric series given in sigma notation, recursively, or explicitly. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Analysis: Sums of Finite Geometric Series
[Free Registration/Login may be required to access all resource tools.] This lesson covers finding the sum of a geometric series using the formula and the calculator.
Better Lesson
Better Lesson: Geometric Sequences and Series
Students will be able to make use of structure on their way to deriving a formula for the sum of a geometric series. They will also gain more experience in finding the nth term of a sequence/series. Includes short video. [1:15]
Cool Math
Coolmath: Sequences With Formulas
Explanation and examples of using a formula to determine the nth term in a sequence.
Math Planet
Math Planet: Geometric Sequences of Numbers
Gain an understanding of the geometric sequences of numbers by viewing an example and a video lesson.
Khan Academy
Khan Academy: Finite Geometric Series Word Problems
Here, students can practice solving word problems involving a finite geometric series. They receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Finite Geometric Series
Practice these multiple-choice problems with finite geometric series.
Khan Academy
Khan Academy: Algebra I: Extend Geometric Sequences
Given the first few terms in a geometric sequence, find the next term in the sequence. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Use Geometric Sequence Formulas
Given the formula of a geometric sequence, either in explicit form or in recursive form, find a specific term in the sequence. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Recursive Formulas for Arithmetic Sequences
Find the recursive formula of an arithmetic sequence given the first few terms. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra I: Explicit Formulas for Geometric Sequences
Solve problems such as: The first four terms in a geometric sequence are 1/3, 1, 3, and 9. Find an explicit formula for the sequence. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Khan Academy
Khan Academy: Algebra I: Recursive Formulas for Geometric Sequences
Find the recursive formula of a geometric sequence given the first few terms or given an explicit formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra I: Explicit Formulas for Arithmetic Sequences
Solve problems such as: The first four terms in an arithmetic sequence are 12, 5, -2, and -9. Find an explicit formula for the sequence. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Khan Academy
Khan Academy: Converting Recursive and Explicit Forms of Geometric Sequences
Given the explicit formula of a geometric sequence, find its recursive formula, and vice versa. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.