🔢 MathGrade 3Lesson 1
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Read and Write Numbers to 10,000

How to use: Download the PDF to print the worksheet. Then use this page to repeat activities and check answers.

Learning Objectives

  • 1Read and write numbers up to 10,000 in standard form
  • 2Write numbers up to 10,000 in word form
  • 3Write numbers up to 10,000 in expanded form
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Mini Lesson

Numbers up to 10,000 are all around us — in prices, distances, and population counts. Every number can be written three ways: standard form (digits only), word form (written-out words), and expanded form (each place value shown as an addition).

Standard Form

  • Write the digits in order from greatest place to least: thousands, hundreds, tens, ones.
  • Use a comma to separate the thousands from the hundreds: 4,352.
  • The digit farthest left has the greatest value.

Word Form

  • Name the thousands first, then hundreds, then the two-digit tens-and-ones part.
  • 4,352 → "four thousand, three hundred fifty-two."
  • Use a hyphen in two-digit numbers from twenty-one to ninety-nine (e.g., fifty-two).

Expanded Form

  • Break the number into the value of each non-zero digit and add them.
  • 4,352 → 4,000 + 300 + 50 + 2.
  • Zeros do not need their own addend — skip that place value.
Three ways to write 4,352A table showing 4,352 in standard form (4,352), word form (four thousand, three hundred fifty-two), and expanded form (4,000 + 300 + 50 + 2).Three Ways to Write 4,352Standard Form4,352Word Formfour thousand,three hundred fifty-twoExpanded Form4,000 + 300 + 50 + 2All three forms show the same value.They are just different ways of writing it.
Place-value chart for 4,352A four-column place-value chart. Thousands shows 4 (value 4,000), Hundreds shows 3 (value 300), Tens shows 5 (value 50), Ones shows 2 (value 2). The equation below reads 4,000 + 300 + 50 + 2 = 4,352.Place-Value ChartThousandsHundredsTensOnes43524,000+300+50+2= 4,352The blue column is the thousands place.
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Remember: standard form uses digits, word form uses words, expanded form uses addition.

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Guided Practice

Tracing Pad

Tip: Say each number aloud as you write it.

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Exercises

Fill in each blank to complete the standard, word, or expanded form.

1
2,461 in word form: two thousand, four hundred .
2
5,308 in expanded form: 5,000 + + 8.
3
"Three thousand, seven hundred two" in standard form: .
4
1,000 + 600 + 40 + 9 in standard form: .
5
8,050 in word form: eight thousand, .
6
6,900 in expanded form: 6,000 + .
7
"Four thousand, fifteen" in standard form: .
8
9,200 in expanded form: + 200.

Pick the best answer.

Which is the standard form of "six thousand, two hundred fifteen"?

What is the expanded form of 3,074?

What is the word form of 5,008?

Which number has a 7 in the thousands place?

4,000 + 500 + 60 + 3 equals which number in standard form?

Which is the correct word form of 2,350?

What is the value of the digit 9 in 1,920?

Which number equals 8,000 + 400 + 5?

How do you write "nine thousand" in standard form?

Which expanded form matches 7,260?

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Assessment

Lesson 2 →