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Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Geometric Sequences and Series

For Students 9th - 10th Standards
Learn what a geometric sequence is and how to perform several related tasks: find the nth term, write the formula for the nth term, and calculate a finite geometric series. This tutorial offers definitions, example problems with...
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Activity
Math Medics

S.o.s. Math: The Geometric Series

For Students 9th - 10th Standards
Comprehensive tutorial explaining the geometric series. Includes an example that the student can complete and then check online.
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Website
Math Medics

S.o.s. Math: Calculus

For Students 9th - 10th Standards
This lesson has links to the various topics dealing with calculus. The student just needs to find the topic then click to go to it.
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Unit Plan
Oswego City School District

Regents Exam Prep Center: Arithmetic and Geometric Sequences and Series

For Students 9th - 10th Standards
The lesson discusses arithmetic and geometric sequences and series. The resource consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource demonstrates the origins of the formulas.
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Activity
Other

Old Dominion University: Geometric Series

For Students 9th - 10th Standards
This site explains the geometric series. There is a link to the theory of the geometric theory.
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Handout
Other

Sierra College: Summary of Tests for Series

For Students 9th - 10th
Provides a summary of tests for series that includes the test, series, converges, sum of remainder, and diverges for nth Term, Geometric Series, Telescoping Series, p-Series, Alternating Series, Integral, Root, Ratio, Direct Comparison,...
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Unknown Type
McGraw Hill

Glencoe Mathematics: Online Study Tool: Quiz on Geometric Sequences and Series

For Students 9th - 10th Standards
Students display understanding of advanced mathematical concepts. The online quiz assesses the scholars on geometric sequences and series.
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Handout
Stanford University

Geometric Series

For Students 9th - 10th Standards
This resource has a short explanation of the geometric series.
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Unknown Type
Northwestern University

North Western University: Series [Pdf]

For Students 9th - 10th
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.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A sse.b.4: Cantor Set

For Teachers 9th - 10th
This tasks requires students to explore properties of the Cantor Set, which has many uncountable points, no intervals of real numbers, and has length of zero. Aligns with A-SSE.B.4.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A sse.b.4: Course of Antibiotics

For Teachers 9th - 10th
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.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A sse.b.4: A Lifetime of Savings

For Teachers 9th - 10th
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.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Sse.4: You Tube Explosion

For Teachers 9th - 10th
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....
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Handout
Purple Math

Purplemath: How Can 0.9999 = 1?

For Students 9th - 10th Standards
This resource discusses the relationship between '0.999' and '1' and provides various proofs of their equality.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Visual Patterns Grades 10 12

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to find the next term in a sequence.
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Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Limits

For Students 9th - 10th Standards
In this activity, you can see a representation of several geometric series and their limits.
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Handout
Math2

Math2.org: Series Expansions

For Students 9th - 10th
A thorough review of calculus series. Links direct the student to the basic properties of series, as well as to explanations and examples of convergence tests in series. The expansions for exponential, logarithmic, and root functions and...
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Handout
Wolfram Research

Wolfram Math World: Radius of Convergence

For Students 9th - 10th
MathWorld provides a site about the Radius of Convergence. Brief and factual, formulas are provided along with several links to additional information on related subjects.
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Activity
Interactive Mathematics

Interactive Mathematics: Geometric Progressions

For Students 9th - 10th Standards
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.