Grade 11 Arithmetic Series Worksheet
Sum arithmetic sequences using Gauss's formula and related identities to find totals, terms, and unknown parameters. Free printable worksheet — 20 questions plus a separate answer key. Each sheet is freshly generated, so your kid can practice as many times as they need.
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Sample questions
Two examples from the Arithmetic Series worksheet. Print the full sheet for 20 questions plus an answer key.
- Sample 1
1 + 2 + ... + 13 = ?
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91 - Sample 2
1 + 2 + ... + 25 = ?
Show answer
325
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