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Grade 9 geometric sequences worksheets

HSF-BF.A.2 Algebra

Printable geometric sequences worksheets for grade 9, aligned to Common Core standard HSF-BF.A.2. Multiply by the same ratio.

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Sample problems

  1. Find the 4th term of the sequence 1, 2, 4, … 8
  2. Find the 5th term of the sequence 5, 10, 20, … 80
  3. Find the 5th term of the sequence 6, 12, 24, … 96
  4. Find the 5th term of the sequence 8, 24, 72, … 648
  5. Find the 5th term of the sequence 7, 14, 28, … 112
  6. Find the 6th term of the sequence 5, 10, 20, … 160
  7. Find the 5th term of the sequence 3, 9, 27, … 243
  8. Find the 6th term of the sequence 8, 16, 32, … 256

These eight are one sample at medium difficulty — the generator makes a different set every time.

A worked example

Find the 4th term of the sequence 1, 2, 4, … 8

  1. The common ratio is 2 ÷ 1 = 2
  2. The 4th term is the first term times the ratio 3 times: 2^3 = 8
  3. 1 × 8 = 8

Every problem on the answer key can show its steps like this — turn on “Show steps” before downloading.

About these worksheets

Every problem is built backwards from its solution, so the answers are whole numbers and the answer key cannot be wrong. Every sheet is generated fresh, so you can print a new one on the same skill as often as you need — different numbers, same difficulty.

Pick how many problems you want and whether they should be easy, medium or hard, then download a PDF with a matching answer key. The key can show the worked steps for every problem, which is what a parent needs to see where a wrong answer went wrong.

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