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.
Khan Academy
Khan Academy: Evaluate Sequences in Recursive Form
Find the first few terms of sequences that are defined recursively. 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: 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: 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.
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: Finite Geometric Series
Practice these multiple-choice problems with finite geometric series.
Howard Hughes Medical Institute
Hhmi: Bio Interactive: Understanding Sequence Assembly
A series of lecture clips helps explain how DNA sequencing is done by using the analogy of shredding multiple copies of a book and then reassembling the text by finding overlapping fragments. The ultimate goal of DNA sequencing is to...
CK-12 Foundation
Ck 12: Algebra: Geometric Sequences and Exponential Functions
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how geometric sequences are related to exponential functions by exploring guided notes, watching a video and attempting practice problems.
Read Works
Read Works: Sequence 1st Grade Unit
[Free Registration/Login Required] This site provides a series of three lesson plans designed to teach students to recognize and use word clues to put story events into the correct sequence and retell the story accordingly. Lessons are...
Read Works
Read Works: Sequence 3rd Grade Unit
[Free Registration/Login Required] This website provides a series of two lesson plans designed to teach students to create a graphic organizer showing the sequence of events in a fiction text. The lessons include ideas for direct...
Read Works
Read Works: Grade 2: Three Lesson Unit: Sequence
[Free Registration/Login Required] A series of three lesson plans designed to teach students to retell and summarize a fiction story told in chronological order and a story told with flashback. Lessons are based on the books First Day...
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
Wolfram Research
Wolfram Math World: Geometric Sequence
This MathWorld site, an online training tool, provides a definition and an example of a geometric sequence and how it operates. Other math-related topics available.
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,...
Oswego City School District
Regents Exam Prep Center: Sequences
The lesson discusses sequences. Students learn about finite sequences, infinite sequences, and sequences with patterns. The resource consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher...
Math Open Reference
Math Open Reference: Sequences
Learn about sequences with this handy reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Khan Academy
Khan Academy: Extend Arithmetic Sequences
Given the first few terms in an arithmetic sequence, find the next term in the sequence.
Mangahigh
Mangahigh: Number: Special Number Sequences
Explore the Fibonacci sequence along with other sequences.
Texas Instruments
Texas Instruments: Applications of Finite and Infinite Series
This activity shows students the power of finite and infinite series. It can be used as an introduction to infinite series provided that the student is adept at using the sigma notation to denote such series. (Continued: See before the...
Maths Challenge
Maths challenge.net: Chequered Floor
A problem involving patterns to find the solution to this sequence problem.
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.
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