Expanded Form: 3-Digit Numbers Worksheets
Write three-digit numbers in expanded form (for example 352 = 300 + 50 + 2).
Expanded Form: 3-Digit Numbers
Name:Date:Score:
Write each number in expanded form (show the value of every digit).
- 1992 =
- 2847 =
- 3979 =
- 4350 =
- 5539 =
- 6369 =
- 7441 =
- 8916 =
- 9526 =
- 10360 =
Printable Worksheets for Kids · printableworksheetsforkids.pages.dev
Expanded Form: 3-Digit Numbers
Name:Date:Score:
Write each number in expanded form (show the value of every digit).
- 1712 =
- 2486 =
- 3886 =
- 4186 =
- 5346 =
- 6717 =
- 7332 =
- 8282 =
- 9237 =
- 10305 =
Printable Worksheets for Kids · printableworksheetsforkids.pages.dev
Expanded Form: 3-Digit Numbers
Name:Date:Score:
Write each number in expanded form (show the value of every digit).
- 1270 =
- 2133 =
- 3574 =
- 4970 =
- 5824 =
- 6854 =
- 7329 =
- 8556 =
- 9495 =
- 10285 =
Printable Worksheets for Kids · printableworksheetsforkids.pages.dev
Answer key — Sheet A (10 answers)
- 1. 900 + 90 + 2
- 2. 800 + 40 + 7
- 3. 900 + 70 + 9
- 4. 300 + 50
- 5. 500 + 30 + 9
- 6. 300 + 60 + 9
- 7. 400 + 40 + 1
- 8. 900 + 10 + 6
- 9. 500 + 20 + 6
- 10. 300 + 60
Answer key — Sheet B (10 answers)
- 1. 700 + 10 + 2
- 2. 400 + 80 + 6
- 3. 800 + 80 + 6
- 4. 100 + 80 + 6
- 5. 300 + 40 + 6
- 6. 700 + 10 + 7
- 7. 300 + 30 + 2
- 8. 200 + 80 + 2
- 9. 200 + 30 + 7
- 10. 300 + 5
Answer key — Sheet C (10 answers)
- 1. 200 + 70
- 2. 100 + 30 + 3
- 3. 500 + 70 + 4
- 4. 900 + 70
- 5. 800 + 20 + 4
- 6. 800 + 50 + 4
- 7. 300 + 20 + 9
- 8. 500 + 50 + 6
- 9. 400 + 90 + 5
- 10. 200 + 80 + 5
About this skill
Expanded form makes the hidden structure of a number visible. It supports mental maths and is used again when children learn partial products in multiplication.
How to teach it
- Use base-ten blocks or bundled sticks to build numbers physically.
- Read numbers aloud with 'hundred' and 'thousand' so the structure is audible.
- Keep a place-value chart on the table for reference.
Mistakes to watch for
- Confusing the digit with its value (the 5 in 352 is worth 50, not 5).
- Dropping zeros in expanded form, for example writing 300 + 2 for 352.
