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Words to Expanded Form is a free printable Grade 2 math worksheet on turning a number name into expanded form, aligned to Common Core standard 2.NBT.A.3. 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 16 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.

Words to Expanded Form

2.NBT.A.3

NameDate

Write each number in expanded form.

1.Write "four hundred four" in expanded form.
2.Write "three hundred twenty-two" in expanded form.
3.Write "three hundred fifteen" in expanded form.
4.Write "seven hundred six" in expanded form.
5.Write "five hundred twenty-nine" in expanded form.
6.Write "eight hundred fifty-one" in expanded form.
7.Write "four hundred sixty-eight" in expanded form.
8.Write "two hundred twelve" in expanded form.
9.Write "eight hundred seventeen" in expanded form.
10.Write "three hundred thirty-nine" in expanded form.

LessonPrint · 2.NBT.A.3 · Set 16 · free to copy for classroom use

Answer key — Words to Expanded Form

Set 16. Prints on its own sheet.

  1. 1.400 + 4
  2. 2.300 + 20 + 2
  3. 3.300 + 10 + 5
  4. 4.700 + 6
  5. 5.500 + 20 + 9
  6. 6.800 + 50 + 1
  7. 7.400 + 60 + 8
  8. 8.200 + 10 + 2
  9. 9.800 + 10 + 7
  10. 10.300 + 30 + 9

Last reviewed 2026-09-05. Aligned to 2.NBT.A.3 of the Common Core State Standards for Mathematics.