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Teen Numbers as Ten and Ones is a free printable Grade 1 maths worksheet on the special case of eleven to nineteen, aligned to Common Core standard 1.NBT.B.2. It prints 5 questions with an answer key on its own sheet of paper, in 25 versions, 22 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 18 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. 22 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.

Teen Numbers as Ten and Ones

1.NBT.B.2

NameDate

Fill in the missing part.

1.13 = 10 + ___
2.19 = 10 + ___
3.15 = 10 + ___
4.12 = 10 + ___
5.18 = 10 + ___

LessonPrint · 1.NBT.B.2 · Set 18 · free to copy for classroom use

Answer key — Teen Numbers as Ten and Ones

Set 18. Prints on its own sheet.

  1. 1.3
  2. 2.9
  3. 3.5
  4. 4.2
  5. 5.8

Last reviewed 2026-09-05. Aligned to 1.NBT.B.2 of the Common Core State Standards for mathematics.