Place value — 5-digit numbers
A clear starting point, worked steps and space to practise.
Start here
A digit’s position tells you its value. Group large numbers into thousands, hundreds, tens and ones.
Read in groups of three digits: fifty-three thousand, two hundred and four. A comma separates groups; it is not a decimal point.
1 Work through these steps
- Read the number from left to right.
- Name each digit’s place.
- Write the non-zero place values as a sum.
- Add them back to check.
2 Follow a worked example
Write 53,204 in expanded form.
- 5 ten-thousands = 50,000; 3 thousands = 3,000.
- 2 hundreds = 200; 0 tens = 0; 4 ones = 4.
- 53,204 = 50,000 + 3,000 + 200 + 4.
3 Try it yourself
Show each step on paper or open Working out. Then check the answer.
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What is the value of the 7 in 47,205?
Check answer 1
Answer: 7,000
The 7 is in the thousands place.
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Working out
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Check your understanding
Explain the worked example in your own words. Say why the method works, not just what the answer is.
Skills and explanation links
Key ideas taught here
- A digit’s position tells you its value. Group large numbers into thousands, hundreds, tens and ones.
- Read in groups of three digits: fifty-three thousand, two hundred and four. A comma separates groups; it is not a decimal point.
Method and checking
Optional recap: related Maths skills
These earlier examples revisit background skills. Start with the topic example and practice above.
Useful vocabulary
- digit
- A symbol from 0 to 9 used to write numbers.
- place value
- The value of a digit because of its position in a number.
- round
- Change a number to a nearby easier number.
- estimate
- A sensible approximate answer used to check reasonableness.
Rules for these related skills
Compare numbers from the largest place value, then move right only if the digits are the same.
For a positive whole number using the school halfway-up rule, check the next digit: 5–9 rounds the chosen place up; 0–4 keeps it unchanged.
Expanded form shows the value of every digit, such as 4 582 = 4 000 + 500 + 80 + 2.
Write 4 582 in expanded form.
- 4 thousands + 5 hundreds + 8 tens + 2 ones.
- 4 582 = 4 000 + 500 + 80 + 2.
Round 36 748 to the nearest thousand.
- Look at the thousands digit: 6.
- Check the hundreds digit: 7.
- Because 7 is 5 or more, round up to 37 000.
Order 8 905, 8 590 and 9 058 from smallest to largest.
- Compare thousands first.
- 8 590 and 8 905 both have 8 thousands, so compare hundreds.
- Smallest to largest: 8 590, 8 905, 9 058.
A school raised 12 486 points. About how many points is this to the nearest thousand?
- The hundreds digit is 4.
- Round down to 12 000.
- About 12 000 points were raised.
More visual models and everyday examples
Each everyday example has its own information and model. Use its stated values rather than copying values from another question.
Concept example. The story examples below have their own diagrams.
Say the value of each digit aloud before comparing or rounding.
For parents and teachers
- Ask your child to explain the method aloud before writing the answer.
- Use a real-life context at home, such as shopping, cooking, sport scores, maps or timetables.
- Praise clear working and checking, not only speed.
- Encourage a quick diagram or table for word problems before calculating.
Practise choosing a method from the information in the question. The examples here are Pi Leo Academy learning activities. Official NAPLAN testing takes place in Years 3, 5, 7 and 9; a topic appearing in these notes does not mean it is tested in NAPLAN.
These notes provide guided examples and practice; they do not certify completion of every curriculum requirement.