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Tens and Ones in More Than One Way is a free printable Grade 1 math worksheet on renaming a ten as ten ones, aligned to Common Core standard 1.NBT.B.2. It prints 12 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

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All 25 sets ask different questions.

Tens and Ones in More Than One Way

1.NBT.B.2

NameDate

Fill in the missing number.

1.46 = 3 tens and ___ ones
2.71 = ___ tens and 11 ones
3.52 = 4 tens and ___ ones
4.56 = 4 tens and ___ ones
5.35 = ___ tens and 15 ones
6.78 = ___ tens and 18 ones
7.54 = 4 tens and ___ ones
8.94 = ___ tens and 14 ones
9.38 = ___ tens and 18 ones
10.24 = ___ tens and 14 ones
11.52 = ___ tens and 12 ones
12.92 = 8 tens and ___ ones

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

Answer key — Tens and Ones in More Than One Way

Set 1. Prints on its own sheet.

  1. 1.16
  2. 2.6
  3. 3.12
  4. 4.16
  5. 5.2
  6. 6.6
  7. 7.14
  8. 8.8
  9. 9.2
  10. 10.1
  11. 11.4
  12. 12.12

Questions about Tens and Ones in More Than One Way

What does the Tens and Ones in More Than One Way worksheet cover?

It practices renaming a ten as ten ones — 12 questions for Grade 1, all on Common Core 1.NBT.B.2: Know that in 47, the 4 means four tens and the 7 means seven ones. The instruction to students is “Fill in the missing number”, and the answer key follows on the next sheet.

Which Common Core standard does Tens and Ones in More Than One Way practice?

CCSS.MATH.CONTENT.1.NBT.B.2 — 1.NBT.B.2, under Number & Operations in Base Ten for Grade 1. The published standard reads: “Understand that the two digits of a two-digit number represent amounts of tens and ones.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Tens and Ones in More Than One Way is written for Grade 1, typically ages 6-7. It is one of the sheets on 1.NBT.B.2, so it suits any student working at that standard — including older students revisiting it and younger ones working ahead.

Does Tens and Ones in More Than One Way come with an answer key?

Yes. All 12 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of Tens and Ones in More Than One Way can I print?

25 — one per student, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Tens and Ones in More Than One Way free to print and photocopy?

Yes. Tens and Ones in More Than One Way, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

More practice for 1.NBT.B.2

Know that in 47, the 4 means four tens and the 7 means seven ones.

All Grade 1 worksheets

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