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Add a Multiple of Ten is a free printable Grade 1 maths worksheet on adding whole tens, aligned to Common Core standard 1.NBT.C.4. It prints 14 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 13 of 25 · the same problems every time you open this link.

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

Add a Multiple of Ten

1.NBT.C.4

NameDate

Work out each answer.

1.69 + 70 =
2.65 + 50 =
3.41 + 50 =
4.28 + 60 =
5.67 + 40 =
6.18 + 50 =
7.33 + 80 =
8.78 + 30 =
9.34 + 90 =
10.28 + 90 =
11.49 + 80 =
12.49 + 60 =
13.67 + 20 =
14.27 + 20 =

LessonPrint · 1.NBT.C.4 · Set 13 · free to copy for classroom use

Answer key — Add a Multiple of Ten

Set 13. Prints on its own sheet.

  1. 1.139
  2. 2.115
  3. 3.91
  4. 4.88
  5. 5.107
  6. 6.68
  7. 7.113
  8. 8.108
  9. 9.124
  10. 10.118
  11. 11.129
  12. 12.109
  13. 13.87
  14. 14.47

Last reviewed 2026-09-05. Aligned to 1.NBT.C.4 of the Common Core State Standards for mathematics.