Mathigon
Mathigon: Algebra: Arithmetic and Geometric Sequences
This lesson focuses on arithmetic and geometric sequences using several examples and practice exercises.
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 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 Arithmetic Sequences
Given the explicit formula of an arithmetic 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.
Khan Academy
Khan Academy: Algebra I: Extend Arithmetic Sequences
Given the first few terms in an arithmetic 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 Arithmetic Sequence Formulas
Given the formula of an arithmetic sequence, either in explicit form or in recursive form, find a specific term in the sequence.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Arithmetic Sequences
Find a quick, concise explanation of arithmetic sequences. The formula for the nth term and several examples are given to help you understand how to find the nth term of a variety of arithmetic sequences.
University of Vienna (Austria)
University of Vienna: Arithmetic or Geometric?
Interactive quiz in which the first few terms of a sequence are given, which then must be identified as an arithmetic or geometric sequence. After completion, the site returns a score to judge understanding of the different types of...
Math Open Reference
Math Open Reference: Series
A complete reference guide to a series. It provides definitions, examples, and an animation that enhances further explanation. Includes links to related topics.
Math Notes and Math Tests
Pre Calculus Note: Arithmetic Sequences and Partial Sums [Pdf]
The tutorial discusses sequences and series. Students learn about arithmetic sequences, geometric sequences, partial sums, and infinite geometric series. The resource consists of class notes and examples with solutions.
Other
The Manipulations of Bilinear Sequences
This site contains detailed information regarding the manipulations of bilinear sequences. Examples and formulas are included.
PBS
Pbs: Gauss Arithmetic Sequence Strategy
Learn how mathematician Karl Friedrich Gauss figured out how to sum up any arithmetic sequence without having to add up each and every term. This video focuses on using your critical thinking to follow along as Gauss determines his...
Khan Academy
Khan Academy: 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.
Math2
Math2.org: Series Expansions
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...
Khan Academy
Khan Academy: Extend Arithmetic Sequences
Given the first few terms in an arithmetic sequence, find the next term in the sequence.
Shodor Education Foundation
Shodor Interactivate: Lesson: Introduction to Arithmetic and Geometric Sequence
This lesson plan offers an introduction to sequences. Through the use of computers, young scholars are able to see what happens to the sequences when multipliers and add on values are changed.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Progresiones
This interactive unit introduces the concepts of arithmetic and geometric progression. It shows how to obtain the terms of a progression, its general term and the sum of the terms.
Fun Brain
Fun Brain: Number Cracker (Number Series Game)
The Number Cracker needs you to help find a secret code by identifying the missing number in a series.
Other
Kid's Page Archive: Free Printable Math Worksheets
Great source for math worksheets on all four whole number operations, fractions, and miscellaneous arithmetic topics. Could be used to assess basic arithmetic skills for areas that need remediation.
Cuemath
Cuemath: Sequences
A comprehensive guide for learning all about sequences with definitions, the types of sequences, examples of sequences, formulas for sequences, solved examples, and practice questions.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Sequences
An introductory tutorial on sequences, complete with important definitions, example problems and step-by-step solutions, and several practice exercises for you to complete and check. Provides good explanations and examples of arithmetic,...
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,...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Sucesiones Y Progresiones
In Spanish. This unit introduces the concept of succession focusing on the study of arithmetic, geometric and Fibonacci.