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Missing Divisor is a free printable Grade 3 maths worksheet on the unknown as the number you divide by, aligned to Common Core standard 3.OA.A.4. It prints 16 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 14 of 25 · the same problems every time you open this link.

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One paper per pupil

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

Missing Divisor

3.OA.A.4

NameDate

Work out each answer.

1.9 ÷ ___ = 3
2.24 ÷ ___ = 8
3.10 ÷ ___ = 5
4.56 ÷ ___ = 8
5.63 ÷ ___ = 9
6.49 ÷ ___ = 7
7.12 ÷ ___ = 3
8.15 ÷ ___ = 5
9.28 ÷ ___ = 7
10.36 ÷ ___ = 6
11.48 ÷ ___ = 8
12.16 ÷ ___ = 2
13.63 ÷ ___ = 7
14.28 ÷ ___ = 4
15.18 ÷ ___ = 6
16.20 ÷ ___ = 4

LessonPrint · 3.OA.A.4 · Set 14 · free to copy for classroom use

Answer key — Missing Divisor

Set 14. Prints on its own sheet.

  1. 1.3
  2. 2.3
  3. 3.2
  4. 4.7
  5. 5.7
  6. 6.7
  7. 7.4
  8. 8.3
  9. 9.4
  10. 10.6
  11. 11.6
  12. 12.8
  13. 13.9
  14. 14.7
  15. 15.3
  16. 16.5

Last reviewed 2026-09-05. Aligned to 3.OA.A.4 of the Common Core State Standards for mathematics.