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Odd and Even in Patterns is a free printable Grade 3 maths worksheet on why an odd step alternates parity and an even one does not, aligned to Common Core standard 3.OA.D.9. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask 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 21 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Odd and Even in Patterns

3.OA.D.9

NameDate

Write the missing numbers.

1.16192534
2.19252837
3.12152130
4.25284043
5.3151821
6.18242736
7.21243339
8.28313446

LessonPrint · 3.OA.D.9 · Set 21 · free to copy for classroom use

Answer key — Odd and Even in Patterns

Set 21. Prints on its own sheet.

  1. 1.22, 28, 31
  2. 2.22, 31, 34
  3. 3.18, 24, 27
  4. 4.31, 34, 37
  5. 5.6, 9, 12
  6. 6.21, 30, 33
  7. 7.27, 30, 36
  8. 8.37, 40, 43

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