Read and Write Multi-Digit Numbers Worksheets for 4th Grade Students

5 comprehensive printable worksheets covering standard form, expanded form, and word form of multi-digit numbers from hundreds to hundred-thousands.

Worksheets Collection
Worksheet 1: Standard Form Practice
Grade 4 Mathematics - Standard Form

Write the following numbers in standard form (digits with commas).

1 Three hundred forty-five
2 Twenty-seven thousand, six hundred fifteen
3 One hundred twenty-three thousand, four hundred fifty-six
4 Four hundred fifty thousand, two hundred thirty
5 Sixty-seven thousand, eight hundred ninety-one
6 Nine hundred thousand, one
7 Fifty-two thousand, three hundred seventy-eight
8 Eight hundred ninety thousand, four hundred fifty-six
Worksheet 2: Expanded Form Practice
Grade 4 Mathematics - Expanded Form

Write the following numbers in expanded form.

1 345
2 2,761
3 27,615
4 123,456
5 450,230
6 67,891
7 900,001
8 52,378
Worksheet 3: Word Form Practice
Grade 4 Mathematics - Word Form

Write the following numbers in word form.

1 345
2 2,761
3 27,615
4 123,456
5 450,230
6 67,891
7 900,001
8 52,378
1 Answer Keys
Complete Solutions
Detailed step-by-step solutions for all worksheets.
Solution Method:

Number form conversion: Apply place value rules to convert between forms.

Step-by-Step Process:
  1. Identify the given number form
  2. Determine the target number form
  3. Apply place value rules
  4. Write the answer in the required form
  5. Verify by converting back
Worksheet 1 Solutions (Standard Form)

1. Three hundred forty-five = 345

2. Twenty-seven thousand, six hundred fifteen = 27,615

3. One hundred twenty-three thousand, four hundred fifty-six = 123,456

4. Four hundred fifty thousand, two hundred thirty = 450,230

5. Sixty-seven thousand, eight hundred ninety-one = 67,891

6. Nine hundred thousand, one = 900,001

7. Fifty-two thousand, three hundred seventy-eight = 52,378

8. Eight hundred ninety thousand, four hundred fifty-six = 890,456

Worksheet 2 Solutions (Expanded Form)

1. 345 = 300 + 40 + 5

2. 2,761 = 2,000 + 700 + 60 + 1

3. 27,615 = 20,000 + 7,000 + 600 + 10 + 5

4. 123,456 = 100,000 + 20,000 + 3,000 + 400 + 50 + 6

5. 450,230 = 400,000 + 50,000 + 0 + 200 + 30 + 0

6. 67,891 = 60,000 + 7,000 + 800 + 90 + 1

7. 900,001 = 900,000 + 0 + 0 + 0 + 0 + 1

8. 52,378 = 50,000 + 2,000 + 300 + 70 + 8

Worksheet 3 Solutions (Word Form)

1. 345 = Three hundred forty-five

2. 2,761 = Two thousand, seven hundred sixty-one

3. 27,615 = Twenty-seven thousand, six hundred fifteen

4. 123,456 = One hundred twenty-three thousand, four hundred fifty-six

5. 450,230 = Four hundred fifty thousand, two hundred thirty

6. 67,891 = Sixty-seven thousand, eight hundred ninety-one

7. 900,001 = Nine hundred thousand, one

8. 52,378 = Fifty-two thousand, three hundred seventy-eight

Additional Worksheets:

Worksheet 4: Mixed Practice (all three forms)

Worksheet 5: Challenge Problems (with zeros in middle positions)

Answer Keys: Provided for all 5 worksheets

Important Notes:

• When writing word form, use hyphens for compound numbers 21-99 (twenty-one, thirty-five)

• Include commas in standard form every 3 digits from the right

• In expanded form, include zero place values if needed

Worksheet Instructions
Print & Practice
Worksheets Ready
Worksheet 1
Standard Form
Word → Digits
Worksheet 2
Expanded Form
Digits → Place Values
Worksheet 3
Word Form
Digits → Words
Worksheet 4
Mixed Practice
All Forms
Printing Guidelines:

Format: PDF ready for standard 8.5" x 11" paper

Quality: High resolution for clear printing

Layout: Clean, organized format for student use

Answer Keys: Included for self-checking

How to Use:
  1. Work through problems in order
  2. Check your answers with provided keys
  3. Review any incorrect answers
  4. Repeat as needed for mastery
  5. Use scratch paper for working out problems
Tip 1: Practice with place value charts to reinforce understanding.
Tip 2: Always verify by converting back to original form.
Tip 3: Use commas consistently in standard form.
Tip 4: Remember hyphens for compound numbers 21-99 in word form.
Features: 5 worksheets, 40 problems total, answer keys included, progressive difficulty.
Benefits: Reinforces place value understanding, builds number sense, self-paced learning.
Usage Rights:

• Free for personal and classroom use

• No commercial redistribution allowed

• Share with students and parents freely

• Modify for educational purposes only

Advanced Worksheets
A Worksheet 4: Mixed Practice
Mixed Number Forms Practice
Converting between all three number forms.
1 456 → expanded
2 27,615 → word
3 300 + 40 + 5 → standard
4 Four hundred fifty thousand → standard
5 123,456 → expanded
6 50,000 + 2,000 + 300 + 70 + 8 → standard
7 900,001 → word
8 Sixty-seven thousand, eight hundred ninety-one → expanded
Solutions:

1. 456 = 400 + 50 + 6

2. 27,615 = Twenty-seven thousand, six hundred fifteen

3. 300 + 40 + 5 = 345

4. Four hundred fifty thousand = 450,000

5. 123,456 = 100,000 + 20,000 + 3,000 + 400 + 50 + 6

6. 50,000 + 2,000 + 300 + 70 + 8 = 52,378

7. 900,001 = Nine hundred thousand, one

8. Sixty-seven thousand, eight hundred ninety-one = 60,000 + 7,000 + 800 + 90 + 1

B Worksheet 5: Challenge Problems
Advanced Number Form Conversions
Complex problems with zeros in middle positions.
1 305 → expanded
2 40,203 → word
3 500,007 → expanded
4 102,304 → word
5 60,000 + 0 + 200 + 0 + 7 → standard
6 800,000 + 50,000 + 0 + 300 + 0 + 0 → standard
7 Two hundred thousand, four → standard
8 Forty thousand, fifty → expanded
Challenge Solutions:

1. 305 = 300 + 0 + 5

2. 40,203 = Forty thousand, two hundred three

3. 500,007 = 500,000 + 0 + 0 + 0 + 0 + 7

4. 102,304 = One hundred two thousand, three hundred four

5. 60,000 + 0 + 200 + 0 + 7 = 60,207

6. 800,000 + 50,000 + 0 + 300 + 0 + 0 = 850,300

7. Two hundred thousand, four = 200,004

8. Forty thousand, fifty = 40,000 + 0 + 0 + 50 + 0

Complete Learning Summary
Number Forms & Place Value
Core Concepts
Key Definitions:

Place Value: Each position in a number has a specific value based on its location

Standard Form: Writing numbers using digits (e.g., 1,234)

Expanded Form: Showing the value of each digit (e.g., 1,000 + 200 + 30 + 4)

Word Form: Writing numbers using words (e.g., one thousand, two hundred thirty-four)

Period: A group of 3 digits separated by commas

Complete Number Conversion Process:
  1. Identify place values: Determine the value of each digit
  2. Standard form: Write using digits with proper commas
  3. Expanded form: Show each digit's value with addition
  4. Word form: Convert to words using period names
  5. Verify: Check that all forms represent the same value
Place Value Pattern: 1, 10, 100, 1,000, 10,000, 100,000 (each position is 10 times the previous).
Comma Rule: Place commas every 3 digits from the right (after hundreds, millions, etc.).
Reading Order: Read from left to right, starting with the highest place value.
Compound Numbers: Use hyphens for numbers 21-99 (twenty-one, thirty-five).
Common Mistakes: Forgetting commas, misreading place values, incorrect hyphenation, skipping zero digits.
Memory Aids: "Every 3 digits, comma goes here", "Left to right, high to low", "Hyphens for 21-99".
Essential Number Rules:

• Each place value is 10 times the value of the position to its right

• Standard form uses digits and commas every 3 places

• Expanded form shows each digit's value with addition

• Word form uses period names (thousand, million)

• Hyphens connect compound numbers 21-99

• Zero digits in middle positions must be accounted for

Number Forms Strategy Guide

Visual Number Forms Guide

Standard Form

123,456

Digits with commas every 3 places

Expanded Form

100,000 + 20,000 + 3,000 + 400 + 50 + 6

Each digit's value shown with addition

Word Form

One hundred twenty-three thousand, four hundred fifty-six

Number written in words with period names

Place Value Hierarchy
1
Ones
10
Tens
100
Hundreds
1K
Thousands
10K
Ten K
100K
Hundred K
Number Conversion Examples

345: 300 + 40 + 5 → Three hundred forty-five

27,615: 20,000 + 7,000 + 600 + 10 + 5 → Twenty-seven thousand, six hundred fifteen

Remember: Count decimal places, use power of 10 as denominator, simplify to lowest terms!

Worksheets Q&A

Question: Can I use these worksheets for my entire class? Are they aligned with curriculum standards?

Answer: Absolutely! These worksheets are designed specifically for 4th grade Common Core standards:

  • CCSS.MATH.CONTENT.4.NBT.A.2: Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form
  • CCSS.MATH.CONTENT.4.NBT.A.1: Understand that a digit in one place represents ten times what it represents in the place to its right

Usage rights: Free for classroom use, homework assignments, and parent support activities. You may copy and distribute to all students in your class.

Progressive difficulty: Worksheets move from basic (standard form) to advanced (mixed practice with zeros), allowing for differentiation.

Question: My child struggles with place value. Will these worksheets help build foundational understanding?

Answer: Yes, these worksheets are specifically designed to build place value understanding:

  • Visual structure: Clear organization helps students see patterns
  • Progressive sequence: Starts with simple forms, builds to complex conversions
  • Step-by-step guidance: Each worksheet includes conversion hints
  • Answer keys: Immediate feedback reinforces correct methods

Recommendation: Start with Worksheet 1 (standard form) and ensure mastery before progressing. The answer keys allow for self-correction and building confidence.

Question: I'm preparing for a test. How should I use these worksheets to study?

Answer: Here's an effective study strategy using these worksheets:

  • Day 1: Complete Worksheet 1 & 2 (basic to intermediate) with answer key for checking
  • Day 2: Complete Worksheet 3 (word form) focusing on hyphens and commas
  • Day 3: Complete Worksheet 4 (mixed practice) and Worksheet 5 (challenge problems)
  • Day 4: Review all incorrect answers and retry
  • Day 5: Take a self-timed practice test using random problems

Pro tip: Time yourself to build test-taking speed. The answer keys help identify areas needing more practice!