# Arithmetic Sequence Teacher Resources

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**1**-**20**of**109**resourcesTo find the 20th term in an arithmetic sequence, use the secret formula. What secret formula? It's: a sub n equals a sub one plus parentheses n minus one close parentheses times d. Got that? No? The watch this video to learn about the secret formula.

2, 4, 6, 8, who do we appreciate? Do the numbers in this sequence make it an arithmetic sequence? Watch this video and find out.

Common difference? Sounds like an oxymoron. It's a math term used to describe a pattern that may occur between a series of numbers. Watch this video and the instructor will explain what the term means as it is applied to an arithmetic sequence.

Eleventh graders investigate arithmetic sequences. For this Algebra II lesson, 11th graders create an arithmetic sequence and explore the effect of each variable in the formula of the nth term of an arithmetic sequence. Students graph an sequence using a scatter plot.

Plain and simple, the common difference is a constant value that is added to a term in an arithmetic sequence. For example in the arithmetic sequence - 10, 20, 30, 40 É. - the common difference would be 10.

Briefly show your class or individual learners how to find the common difference in an arithmetic sequence. A quick and simple video, this resource should guide pupils toward understanding the concept of common difference. Appropriate for in-class or at-home use.

In this sequences and series worksheet, students complete seven activities covering arithmetic sequences, geometric sequences, and series. Fully worked out examples, formulas, and explanations are included.

Students explore the concept of arithmetic series and sequences. In this arithmetic series and sequence lesson, students compare arithmetic sequences and series. Students solve arithmetic series and sequence word problems.

Sixth graders explore pattern recognition and sequencing. They create arithmetic and geometric sequences with colors, shapes, and numbers. Students write expressions of arithmetic sequences and geometric sequences to find the nth term.

Learners who view this video should gain a better understanding of the difference between a geometric sequence and an arithmetic sequence. The video includes an example of each, with step-by-step instructions on how to figure out which is which. The lecturer explains that you need a common ratio for the sequence to be geometric and a common difference for the sequence to be arithmetic.

In this arithmetic sequences instructional activity, students solve 45 short answer, multiple choice, and graphing problems. Students find the nth term of an arithmetic sequence. Students solve systems of equations using elimination. Students find simple interest.

Find the sequence of an equation with your math super stars. They differentiate between arithmetic and geometric sequences and then calculate the sum of finite and infinite sequences.

In this arithmetic sequence worksheet, students identify the terms in a described sequence. They find the nth term in a sequence, complete a sequence statement and find the arithmetic means. This one-page worksheet contains 15 problems.

In this arithmetic sequences worksheet, students find the indicated term for a given arithmetic sequence. They identify the means in a sequence and complete statements for sequences. This one-page worksheet contains 26 problems.

In this arithmetic sequences activity, students find the indicated term of a given arithmetic sequence. They write an equation for the nth term of a sequence and determine the mean of the sequence. This one-page activity contains 26 problems.

There is a formula to find the nth term in an arithematic sequence. But first, the instructor in the video will go through several steps and lots of explanations about how to get that formula. Watch and listen carefully. And then maybe, watch it again.

Twenty-eight problems, two pages, and an answer key all related to number patterns, recursive formula, and arithmetic sequence. Leaners find the next number in the pattern or sequence and determine the arithmetic formula to go with the pattern.

Sal solves a problem from the AIME (American Invitational Mathematics Examination) that utilizes knowledge of arithmetic sequences to create a third sequence for which one needs to find the eighth term of. This is a pretty complicated problem that requires a fairly persistent use of algebra.