Department of Defense
Do Dea: Algebra 1: Semester Ii: Exponentials
A learning module through which students learn about exponentials including exponential functions, growth and decay, and geometric sequences.
Interactive Mathematics
Interactive Mathematics: Geometric Progressions
How much rice did the prince get from the king? Find out here as the legendary story is solved using a geometric series. Additional examples and formulas are provided.
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: Recursive Formulas
[Free Registration/Login may be required to access all resource tools.] This lesson provides a review of a variety of sequence types including recursive, arithmetic, and geometric. Students examine guided notes, review guided practice,...
University of Toronto (Canada)
The Reasons for Geometric Sequences
This site is set up to discuss and explain the reasons why geometric progression is given its name.
CK-12 Foundation
Ck 12: Analysis: Sums of Infinite Geometric Series
[Free Registration/Login may be required to access all resource tools.] This lesson covers identifying infinite geometric series for which a sum can be determined, and finding the sum.
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.
CK-12 Foundation
Ck 12: Analysis: Sums of Finite Geometric Series
[Free Registration/Login may be required to access all resource tools.] Calculating the sums of finite geometric series
Khan Academy
Khan Academy: Finite Geometric Series
Practice these multiple-choice problems with finite geometric series.
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.
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.
Wolfram Research
Wolfram Math World: Geometric Mean
Geometric mean is defined, yet there are no links to help with notation at this MathWorld site. Still a good site to clarify your understanding of this geometric term.
Maths Challenge
Maths challenge.net: Chequered Floor
A problem involving patterns to find the solution to this sequence problem.
CK-12 Foundation
Ck 12: Geometry: Visual Patterns Grades 10 12
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to find the next term in a sequence.
Interactive Mathematics
Interactive Mathematics: Infinite Geometric Series
An explanation of an infinite series is given and then demonstrated in an example that is easy to follow.
Illustrative Mathematics
Illustrative Mathematics: A Sse.4: You Tube Explosion
This task, commentary, and solutions, were authored by Lacey Dixon and Jonathan Utegaard of The University of Arizona. The purpose of this task is to have students derive the formula for the sum of a specific finite geometric series....
Texas Instruments
Texas Instruments: Exploring Infinite Series
For this activity, students learn to identify geometric series. They determine if a sequence converges and also learn to calculate the sum of numbers in a geometric series.
Books in the Classroom
Carol Hurst's Children's Literature Site: Patterns and Picture Books
CarolHurst.com provides a sample chapter from Picturing Math, which teaches geometric concepts using picture books and activities.
![North Western University: Series [Pdf] Unknown Type](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "North Western University: Series [Pdf] Unknown Type")
Northwestern University
North Western University: Series [Pdf]
The definition of a series is provided in a PDF document. The document also details the geometric, telescoping and harmonic series, tests for divergence, and series rules.
Illustrative Mathematics
Illustrative Mathematics: A sse.b.4: Course of Antibiotics
This task presents a real world application, prescribing a course of antibiotics. In this task, a finite geometric series is utilized. Aligns with A-SSE.B.4.
Illustrative Mathematics
Illustrative Mathematics: A sse.b.4: A Lifetime of Savings
The purpose of this instructional task is to give students an opportunity to construct and find the value of a geometric series in a financial literacy context. Aligns with A-SSE.B.4.
National Council of Teachers of Mathematics
Nctm: Illuminations: Limits
In this activity, you can see a representation of several geometric series and their limits.
CK-12 Foundation
Ck 12: Visual Patterns
[Free Registration/Login Required] Students explore the concept of visual patterns by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the...
National Council of Teachers of Mathematics
The Math Forum: Making Patterns
Explore the literature connections, online activity, pencil and paper activity, and the manipulative investigation of patterns and geometric shapes on this page!