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Break Apart 5 is a free printable Kindergarten maths worksheet on all decompositions of five, aligned to Common Core standard K.OA.A.3. It prints 7 questions with an answer key on its own sheet of paper, in 25 versions, 24 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 1 of 25 · the same problems every time you open this link.

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One paper per pupil

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24 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.

Break Apart 5

K.OA.A.3

NameDate

Fill in the missing part.

1.5 = 4 + ___
2.5 = 1 + ___
3.5 = 0 + ___
4.5 = ___ + 1
5.5 = ___ + 2
6.5 = ___ + 0
7.5 = ___ + 3

LessonPrint · K.OA.A.3 · Set 1 · free to copy for classroom use

Answer key — Break Apart 5

Set 1. Prints on its own sheet.

  1. 1.1
  2. 2.4
  3. 3.5
  4. 4.4
  5. 5.3
  6. 6.5
  7. 7.2

Questions about Break Apart 5

What does the Break Apart 5 worksheet cover?

It practises all decompositions of five — 7 questions for Kindergarten, all on Common Core K.OA.A.3: Break numbers up to 10 into two parts in different ways. The instruction to pupils is “Fill in the missing part”, and the answer key follows on the next sheet.

Which Common Core standard does Break Apart 5 practise?

CCSS.MATH.CONTENT.K.OA.A.3 — K.OA.A.3, in the Operations & Algebraic Thinking domain for Kindergarten. The published standard reads: “Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Break Apart 5 is written for Kindergarten, typically ages 5-6. It is one of the sheets on K.OA.A.3, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does Break Apart 5 come with an answer key?

Yes. All 7 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 Break Apart 5 can I print?

25 versions, of which 24 ask genuinely different questions — this skill does not have 25 distinct questions to give, so the rest reorder them and no two pupils still share a paper. Set 1 downloads all 25 as one PDF.

Is Break Apart 5 free to print and photocopy?

Yes. Break Apart 5, 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 K.OA.A.3?

Yes — “Breaking Numbers into Two Parts” is a 30-minute Kindergarten plan for K.OA.A.3, timed section by section, with the misconceptions to expect and an exit ticket. Break Apart 5 is the practice that follows it.

More practice for K.OA.A.3

Break numbers up to 10 into two parts in different ways.

Teaching this next? Breaking Numbers into Two Parts is the 30-minute plan for it, with the misconceptions to expect.

All Kindergarten worksheets

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