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Hundreds, tens and ones worksheet with answers

For: Ages 7-9. Updated 2026-10-15.

This worksheet is for learners who can already read two-digit numbers and are moving into hundreds. Print the page, complete the questions, then use the tool links to check.

Prefer a live breakdown? Open the Number Blocks Tool or play the Number Blocks Generator first, then print.

Practice numbers on this sheet

Each card below is ready to print. Use 405 and 460 to talk about zeros and digit order.

No zeros — clean three-digit read — number 247

Practice card for 247

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Six questions with answers for 247: place value, expanded form, odd or even, prime or composite, factor pairs, and ±10. Print it, or pick any other number in the Number Blocks Tool.

  1. How many tens are in 247? ____
  2. Write 247 in expanded form. ____________
  3. Is 247 odd or even? How do you know? ____________
  4. Is 247 prime or composite? ____________
  5. Write two factor pairs of 247. ____________
  6. What is 247 + 10? ____ What is 247 - 10? ____
Answers

Answers

  1. 24 tens (and 7 ones).
  2. 200 + 40 + 7
  3. Odd: it ends in 7, so one is left over when you make pairs.
  4. Composite: 247 has 4 factors.
  5. Any two of 1 × 247, 13 × 19.
  6. 257 and 237.

numblocksgen.com/number-blocks-tool/

Zero tens — number 405

Practice card for 405

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Six questions with answers for 405: place value, expanded form, odd or even, prime or composite, factor pairs, and ±10. Print it, or pick any other number in the Number Blocks Tool.

  1. How many tens are in 405? ____
  2. Write 405 in expanded form. ____________
  3. Is 405 odd or even? How do you know? ____________
  4. Is 405 prime or composite? ____________
  5. Write two factor pairs of 405. ____________
  6. What is 405 + 10? ____ What is 405 - 10? ____
Answers

Answers

  1. 40 tens (and 5 ones).
  2. 400 + 5
  3. Odd: it ends in 5, so one is left over when you make pairs.
  4. Composite: 405 has 10 factors.
  5. Any two of 1 × 405, 3 × 135, 5 × 81, 9 × 45, 15 × 27.
  6. 415 and 395.

numblocksgen.com/number-blocks-tool/

Zero ones — number 460

Practice card for 460

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Six questions with answers for 460: place value, expanded form, odd or even, prime or composite, factor pairs, and ±10. Print it, or pick any other number in the Number Blocks Tool.

  1. How many tens are in 460? ____
  2. Write 460 in expanded form. ____________
  3. Is 460 odd or even? How do you know? ____________
  4. Is 460 prime or composite? ____________
  5. Write two factor pairs of 460. ____________
  6. What is 460 + 10? ____ What is 460 - 10? ____
Answers

Answers

  1. 46 tens.
  2. 400 + 60
  3. Even: it ends in 0, so it splits into two equal groups of 230.
  4. Composite: 460 has 12 factors.
  5. Any two of 1 × 460, 2 × 230, 4 × 115, 5 × 92, 10 × 46, 20 × 23.
  6. 470 and 450.

numblocksgen.com/number-blocks-tool/

Zero tens again, different hundreds — number 508

Practice card for 508

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Six questions with answers for 508: place value, expanded form, odd or even, prime or composite, factor pairs, and ±10. Print it, or pick any other number in the Number Blocks Tool.

  1. How many tens are in 508? ____
  2. Write 508 in expanded form. ____________
  3. Is 508 odd or even? How do you know? ____________
  4. Is 508 prime or composite? ____________
  5. Write two factor pairs of 508. ____________
  6. What is 508 + 10? ____ What is 508 - 10? ____
Answers

Answers

  1. 50 tens (and 8 ones).
  2. 500 + 8
  3. Even: it ends in 8, so it splits into two equal groups of 254.
  4. Composite: 508 has 6 factors.
  5. Any two of 1 × 508, 2 × 254, 4 × 127.
  6. 518 and 498.

numblocksgen.com/number-blocks-tool/

Teaching tips

  • Have the learner write the place names above the digits before expanding.
  • Compare 405 and 460 out loud: same digits, different places, different totals.

Related lessons

Place value explained with blocks: hundreds, tens and onesWhy the same digit can be worth 3, 30 or 300, how to show it with blocks, and the mistakes to watch for when children first meet three-digit numbers.Expanded form: writing numbers as a sum of place valuesStandard, expanded and word form side by side, worked examples with zeros, and a printable set of practice questions with answers.Hundreds, tens and ones practice with expanded formFocused practice on three-digit place value: reading digits by place, expanded form, and comparing numbers that look similar.