Break Apart 10 is a free printable Kindergarten maths worksheet on decomposing ten as a fact and its turnaround, aligned to Common Core standard K.OA.A.3. It prints 9 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 6 of 25 · the same problems every time you open this link.

One paper per pupil

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

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

Break Apart 10

K.OA.A.3

NameDate

Fill in both blanks.

1.2 + 2 = ___ , so 2 + 2 = ___

2.5 + 2 = ___ , so 2 + 5 = ___

3.1 + 1 = ___ , so 1 + 1 = ___

4.3 + 3 = ___ , so 3 + 3 = ___

5.2 + 5 = ___ , so 5 + 2 = ___

6.5 + 1 = ___ , so 1 + 5 = ___

7.4 + 2 = ___ , so 2 + 4 = ___

8.4 + 1 = ___ , so 1 + 4 = ___

9.3 + 1 = ___ , so 1 + 3 = ___

LessonPrint · K.OA.A.3 · Set 6 · free to copy for classroom use

Answer key — Break Apart 10

Set 6. Prints on its own sheet.

1.4 and 4
2.7 and 7
3.2 and 2
4.6 and 6
5.7 and 7
6.6 and 6
7.6 and 6
8.5 and 5
9.4 and 4

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