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Odd or Even to 20 is a free printable Grade 2 maths worksheet on parity of small numbers, aligned to Common Core standard 2.OA.C.3. It prints 12 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 1 of 25 · the same problems every time you open this link.

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One paper per pupil

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All 25 sets ask different questions.

Odd or Even to 20

2.OA.C.3

NameDate

Write odd or even for each.

1.Is 19 odd or even?
2.Is 4 odd or even?
3.Is 7 odd or even?
4.Is 9 odd or even?
5.Is 3 odd or even?
6.Is 6 odd or even?
7.Is 8 odd or even?
8.Is 16 odd or even?
9.Is 15 odd or even?
10.Is 13 odd or even?
11.Is 18 odd or even?
12.Is 14 odd or even?

LessonPrint · 2.OA.C.3 · Set 1 · free to copy for classroom use

Answer key — Odd or Even to 20

Set 1. Prints on its own sheet.

  1. 1.odd
  2. 2.even
  3. 3.odd
  4. 4.odd
  5. 5.odd
  6. 6.even
  7. 7.even
  8. 8.even
  9. 9.odd
  10. 10.odd
  11. 11.even
  12. 12.even

Questions about Odd or Even to 20

What does the Odd or Even to 20 worksheet cover?

It practises parity of small numbers — 12 questions for Grade 2, all on Common Core 2.OA.C.3: Tell whether a number is odd or even. The instruction to pupils is “Write odd or even for each”, and the answer key follows on the next sheet.

Which Common Core standard does Odd or Even to 20 practise?

CCSS.MATH.CONTENT.2.OA.C.3 — 2.OA.C.3, in the Operations & Algebraic Thinking domain for Grade 2. The published standard reads: “Determine whether a group of objects (up to 20) has an odd or even number of members.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Odd or Even to 20 is written for Grade 2, typically ages 7-8. It is one of the sheets on 2.OA.C.3, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does Odd or Even to 20 come with an answer key?

Yes. All 12 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of Odd or Even to 20 can I print?

25 — one per pupil, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Odd or Even to 20 free to print and photocopy?

Yes. Odd or Even to 20, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

Is there a lesson plan to teach 2.OA.C.3?

Yes — “Odd and Even Numbers” is a 45-minute Grade 2 plan for 2.OA.C.3, timed section by section, with the misconceptions to expect and an exit ticket. Odd or Even to 20 is the practice that follows it.

More practice for 2.OA.C.3

Tell whether a number is odd or even.

Teaching this next? Odd and Even Numbers is the 45-minute plan for it, with the misconceptions to expect.

All Grade 2 worksheets

Last reviewed 2026-09-05. Aligned to 2.OA.C.3 of the Common Core State Standards for mathematics.