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: 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.
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.
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,...
Mathigon
Mathigon: Algebra: Special Sequences
In addition to arithmetic and geometric sequences, Fibonacci Numbers, and figurate numbers, there are countless interesting sequences that don't follow a similar, regular pattern. These include prime numbers, perfect numbers, the...
Mathigon
Mathigon: Algebra: Arithmetic and Geometric Sequences
This lesson focuses on arithmetic and geometric sequences using several examples and practice exercises.
Mathigon
Mathigon: Algebra: Sequences and Patterns
Explore this course in sequences and patterns including simple sequence, triangle and square numbers, terms, recursive formulas, and explicit formulas. Click on Trailer on the top left to watch an introductory video.
National Council of Teachers of Mathematics
Nctm: Illuminations: Limits
In this activity, you can see a representation of several geometric series and their limits.
Khan Academy
Khan Academy: Recursive Formulas for Geometric Sequences
Find the recursive formula of a geometric sequence given the first few terms or given an explicit formula.
Khan Academy
Khan Academy: 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.
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.
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.
Math Notes and Math Tests
Pre Calculus Notes: Sequences and Series [Pdf]
The tutorial discusses sequences and series. Students learn about factorials, recursively defined sequences, and summation notation. The resource consists of class notes and examples with solutions.
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.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Geometric Sequence?
This site, set up as a question format to ask Dr. Math, concerns itself with the fundamentals and basics of geometric progression.
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.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Geometric Sequences
Find a quick, concise explanation of geometric 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 geometric sequences.
Math Is Fun
Math Is Fun: Sequences and Series
The learning resource investigates sequences and series. Students learn about the concept by exploring definitions, notations, and examples.
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.
Interactive Mathematics
Interactive Mathematics: Arithmetic Progressions
A description of an arithmetic series begins this demonstration, followed by formulas and examples. A real world application is included for practice.