Skip to content
LessonPrint

Missing Number — Taking Away is a free printable Grade 1 maths worksheet on the unknown in a subtraction past fifteen, aligned to Common Core standard 1.OA.D.8. 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 11 of 25 · the same problems every time you open this link.

Next set

One paper per pupil

12345678910111213141516171819202122232425

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

Missing Number — Taking Away

1.OA.D.8

NameDate

Work out each answer.

1.18 − ___ = 5
2.16 − ___ = 4
3.19 − ___ = 13
4.18 − ___ = 11
5.16 − ___ = 9
6.19 − ___ = 5
7.16 − ___ = 10
8.17 − ___ = 10
9.19 − ___ = 7
10.16 − ___ = 12
11.19 − ___ = 15
12.16 − ___ = 7
13.17 − ___ = 1
14.19 − ___ = 17
15.18 − ___ = 1
16.19 − ___ = 3

LessonPrint · 1.OA.D.8 · Set 11 · free to copy for classroom use

Answer key — Missing Number — Taking Away

Set 11. Prints on its own sheet.

  1. 1.13
  2. 2.12
  3. 3.6
  4. 4.7
  5. 5.7
  6. 6.14
  7. 7.6
  8. 8.7
  9. 9.12
  10. 10.4
  11. 11.4
  12. 12.9
  13. 13.16
  14. 14.2
  15. 15.17
  16. 16.16

Last reviewed 2026-09-05. Aligned to 1.OA.D.8 of the Common Core State Standards for mathematics.