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Algebra 2 · Chapter 9 · Lesson 9.2 · Printable PDF

Arithmetic Series and Partial Sums Worksheet with Answer Key

7 problems on arithmetic series and partial sums: sums from the first term, last term or difference, adding a stretch of terms, finding the number of terms, a reading plan, finding a formula from partial sums, and testing a claim about the middle term. 1 page, with a worked answer key.

7 problems1 pagesanswer key
Printable Arithmetic series and partial sums worksheet with answer key - Algebra 2 (Page 1 PDF preview)
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What's on the worksheet

  1. Find the sum of each arithmetic series from the given information.
    a_1 = 9,\ a_{12} = 64,\ n = 12a_1 = -20,\ d = 6,\ n = 15a_1 = 75,\ d = -4,\ n = 30
  2. Add a stretch of terms from the 7th to the 22nd of an arithmetic sequence.
  3. Find the number of terms and the common difference from the first term, last term and sum.
  4. Find the first term and difference from one term and a partial sum.
  5. Word problem: Mei's reading plan, pages per day and in total.
  6. Find the terms and a general formula from partial sums.
  7. Test Arjun's claim about the first 20 terms and the 10th term.

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Arithmetic series and partial sums: the lesson ›

More Chapter 9 worksheets: Sequences and series