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Khan Academy

Khan Academy: Recursive Formulas for Arithmetic Sequences

For Students 9th - 10th Standards
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.
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Khan Academy

Khan Academy: Algebra I: Explicit Formulas for Arithmetic Sequences

For Students 9th - 10th Standards
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...
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Khan Academy

Khan Academy: Converting Recursive and Explicit Forms of Arithmetic Sequences

For Students 9th - 10th Standards
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.
eBook
Mathigon

Mathigon: Algebra: Arithmetic and Geometric Sequences

For Students 9th - 10th Standards
This lesson focuses on arithmetic and geometric sequences using several examples and practice exercises.
Activity
Cool Math

Coolmath: Arithmetic Sequences

For Students 9th - 10th Standards
An algebra tutorial which explains arithmetic sequences.
Interactive
Study Pad

Splash Learn: Decimal Arithmetic

For Students 5th Standards
[Free Registration/Login Required] This game provides practice in decimal arithmetic including addition, subtraction, multiplication, and division of decimals.
Unit Plan
PBS

Pbs: Gauss Arithmetic Sequence Strategy

For Students 6th - 8th
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...
Activity
Cool Math

Coolmath: Gauss's Problem and Arithmetic Series

For Students 6th - 9th
This algebra lesson explains Gauss's Problem and introduces arithmetic series.
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Khan Academy

Khan Academy: Use Arithmetic Sequence Formulas

For Students 9th - 10th Standards
Given the formula of an arithmetic sequence, either in explicit form or in recursive form, find a specific term in the sequence. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Website
Other

Java World: Floating Point Arithmetic

For Students 9th - 10th
A description of how the Java Virtual Machine deals with floating point arithmetic.
Article
Khan Academy

Khan Academy: What Is Modular Arithmetic?

For Students 9th - 10th
Find out the basics of modular arithmetic.
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Khan Academy

Khan Academy: Recursive Formulas for Arithmetic Sequences

For Students 9th - 10th Standards
Find the recursive formula of an arithmetic sequence given the first few terms.
Unknown Type
Khan Academy

Khan Academy: Explicit Formulas for Arithmetic Sequences

For Students 9th - 10th Standards
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.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Arithmetic Sequences

For Students 9th - 10th Standards
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.
Activity
Interactive Mathematics

Interactive Mathematics: Arithmetic Progressions

For Students 9th - 10th Standards
A description of an arithmetic series begins this demonstration, followed by formulas and examples. A real world application is included for practice.
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Khan Academy

Khan Academy: Arithmetic Word Problems With Volume

For Students 3rd - 5th Standards
In this exercise, students practice arithmetic word problems with volume. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly. CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid...