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Teen Numbers — Build from Ten is a free printable Kindergarten maths worksheet on producing the teen number from its parts, aligned to Common Core standard K.NBT.A.1. It prints 5 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 25 of 25 · the same problems every time you open this link.

Next setLesson plan

One paper per pupil

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Set 1 has all 25 in a single PDF. 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.

Teen Numbers — Build from Ten

K.NBT.A.1

NameDate

Fill in the missing part.

1.10 + 9 = ___
2.10 + 8 = ___
3.10 + 3 = ___
4.10 + 5 = ___
5.10 + 2 = ___

LessonPrint · K.NBT.A.1 · Set 25 · free to copy for classroom use

Answer key — Teen Numbers — Build from Ten

Set 25. Prints on its own sheet.

  1. 1.19
  2. 2.18
  3. 3.13
  4. 4.15
  5. 5.12

More practice for K.NBT.A.1

See the teen numbers as a ten plus some extra ones.

Teaching this next? Teen Numbers as Ten and Ones is the 30-minute plan for it, with the misconceptions to expect.

All Kindergarten worksheets

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