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Grade 11 · Mathematics

Grade 11 Sequences & series worksheet

20 questions on sequences & series. The answer key is a separate download.

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What is on the worksheet

  1. Find the sum of the first 26 terms of an arithmetic sequence with first term 25 and common difference 5.

  2. Find the sum of the first 10 terms of an arithmetic sequence with first term 6 and common difference 3.

  3. Find the sum of the first 4 terms of a geometric sequence with first term 14 and ratio 4.

  4. An arithmetic sequence has first term 30 and common difference 11. Find term 13.

  5. An arithmetic sequence has first term 9 and common difference 12. Find term 10.

  6. Find the sum of the first 8 terms of an arithmetic sequence with first term 10 and common difference 1.

  7. A geometric sequence starts at 7, with common ratio 3. Find term 4.

  8. Find the sum of the first 7 terms of a geometric sequence with first term 14 and ratio 3.

  9. A geometric sequence starts at 2, with common ratio 5. Find term 6.

  10. An arithmetic sequence has first term 9 and common difference 2. Find term 25.

  11. Find the sum of the first 30 terms of an arithmetic sequence with first term 14 and common difference 10.

  12. Find the sum of the first 28 terms of an arithmetic sequence with first term 21 and common difference 2.

  13. An arithmetic sequence has first term 13 and common difference 9. Find term 23.

  14. An arithmetic sequence has first term 25 and common difference 5. Find term 21.

  15. A geometric sequence starts at 12, with common ratio 2. Find term 6.

  16. An arithmetic sequence has first term 36 and common difference 10. Find term 17.

  17. Find the sum of the first 18 terms of an arithmetic sequence with first term 13 and common difference 4.

  18. An arithmetic sequence has first term 36 and common difference 15. Find term 14.

  19. An arithmetic sequence has first term 7 and common difference 12. Find term 9.

  20. Find the sum of the first 6 terms of a geometric sequence with first term 5 and ratio 3.

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