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Doubling Patterns is a free printable Grade 3 maths worksheet on a doubling rule rather than an additive one, aligned to Common Core standard 3.OA.D.9. It prints 5 questions with an answer key on its own sheet of paper, in 25 versions, 21 of them with different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 22 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. 21 of these 25 sets ask different questions — this skill does not have 25 questions to give. The rest reorder them, so no two pupils have the same paper in front of them.

Doubling Patterns

3.OA.D.9

NameDate

Write the rule and the next number.

1.5, 10, 20, 40, 80, ___ What is the rule?
2.9, 18, 36, 72, 144, ___ What is the rule?
3.7, 14, 28, 56, 112, ___ What is the rule?
4.8, 16, 32, 64, 128, ___ What is the rule?
5.2, 4, 8, 16, 32, ___ What is the rule?

LessonPrint · 3.OA.D.9 · Set 22 · free to copy for classroom use

Answer key — Doubling Patterns

Set 22. Prints on its own sheet.

  1. 1.multiply by 2; next is 160
  2. 2.multiply by 2; next is 288
  3. 3.multiply by 2; next is 224
  4. 4.multiply by 2; next is 256
  5. 5.multiply by 2; next is 64

Last reviewed 2026-09-05. Aligned to 3.OA.D.9 of the Common Core State Standards for mathematics.