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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 17 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 three" in expanded form.
2.Write "six hundred forty-four" in expanded form.
3.Write "one hundred nineteen" in expanded form.
4.Write "five hundred six" in expanded form.
5.Write "two hundred thirty-three" in expanded form.
6.Write "two hundred thirty" in expanded form.
7.Write "five hundred thirty-four" in expanded form.
8.Write "one hundred forty" in expanded form.
9.Write "nine hundred six" in expanded form.
10.Write "three hundred two" in expanded form.

LessonPrint · 2.NBT.A.3 · Set 17 · free to copy for classroom use

Answer key — Words to Expanded Form

Set 17. Prints on its own sheet.

  1. 1.400 + 3
  2. 2.600 + 40 + 4
  3. 3.100 + 10 + 9
  4. 4.500 + 6
  5. 5.200 + 30 + 3
  6. 6.200 + 30
  7. 7.500 + 30 + 4
  8. 8.100 + 40
  9. 9.900 + 6
  10. 10.300 + 2

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