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Read and Write Six-Digit Numbers is a free printable Grade 4 math worksheet on number names to six places, both directions, with zeros inside, aligned to Common Core standard 4.NBT.A.2. It prints 10 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.

Set 1 of 25 · the same problems every time you open this link.

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One paper per student

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All 25 sets ask different questions.

Read and Write Six-Digit Numbers

4.NBT.A.2

NameDate

Write each number in words, or in digits.

1.Write "eight hundred nine thousand, three hundred twenty-nine" as a number.
2.Write "five hundred ten thousand, one hundred forty-eight" as a number.
3.Write "three hundred fifty-eight thousand, eight hundred twenty" as a number.
4.Write 880,430 in words.
5.Write 790,505 in words.
6.Write 409,301 in words.
7.Write "eight hundred sixteen thousand, nine hundred four" as a number.
8.Write "three hundred seven thousand, one hundred eight" as a number.
9.Write 997,066 in words.
10.Write 570,573 in words.

LessonPrint · 4.NBT.A.2 · Set 1 · free to copy for classroom use

Answer key — Read and Write Six-Digit Numbers

Set 1. Prints on its own sheet.

  1. 1.809,329
  2. 2.510,148
  3. 3.358,820
  4. 4.eight hundred eighty thousand, four hundred thirty
  5. 5.seven hundred ninety thousand, five hundred five
  6. 6.four hundred nine thousand, three hundred one
  7. 7.816,904
  8. 8.307,108
  9. 9.nine hundred ninety-seven thousand, sixty-six
  10. 10.five hundred seventy thousand, five hundred seventy-three

Questions about Read and Write Six-Digit Numbers

What does the Read and Write Six-Digit Numbers worksheet cover?

It practices number names to six places, both directions, with zeros inside — 10 questions for Grade 4, all on Common Core 4.NBT.A.2: Read, write and compare large numbers. The instruction to students is “Write each number in words, or in digits”, and the answer key follows on the next sheet.

Which Common Core standard does Read and Write Six-Digit Numbers practice?

CCSS.MATH.CONTENT.4.NBT.A.2 — 4.NBT.A.2, under Number & Operations in Base Ten for Grade 4. The published standard reads: “Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Read and Write Six-Digit Numbers is written for Grade 4, typically ages 9-10. It is one of the sheets on 4.NBT.A.2, so it suits any student working at that standard — including older students revisiting it and younger ones working ahead.

Does Read and Write Six-Digit Numbers come with an answer key?

Yes. All 10 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 Read and Write Six-Digit Numbers 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 Read and Write Six-Digit Numbers free to print and photocopy?

Yes. Read and Write Six-Digit Numbers, 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.

Is there a lesson plan to teach 4.NBT.A.2?

Yes — “Reading and Comparing Large Numbers” is a 50-minute Grade 4 plan for 4.NBT.A.2, timed section by section, with the misconceptions to expect and an exit ticket. Read and Write Six-Digit Numbers is the practice that follows it.

More practice for 4.NBT.A.2

Read, write and compare large numbers.

Teaching this next? Reading and Comparing Large Numbers is the 50-minute plan for it, with the misconceptions to expect.

All Grade 4 worksheets

Last reviewed 2026-09-05. Aligned to 4.NBT.A.2 of the Common Core State Standards for Mathematics.