Rounding large numbers worksheet
Forty grade 4 questions: rounding to the nearest thousand, ten thousand and hundred thousand, one number to three places, tricky 9s and six real-life problems.
Download the free rounding large numbers worksheet (PDF)
Rounding large numbers worksheet
What’s on the worksheet
- 40 questions on rounding large numbers, sized for US Letter paper
- 2 pages of questions plus an answer key on the last page
- Written for grade 4, matching Common Core 4.NBT.A.3
- Name and date lines at the top, and room to show the work
Sample questions from this worksheet
- Round 80,658 to the nearest thousand.
- Round 856,511 to the nearest ten thousand.
- Round 950,000 to the nearest hundred thousand.
- Round 3,449 to the nearest ten, hundred and thousand.
- Round 49,962 to the nearest hundred.
- A car costs $23,650. Round the price to the nearest thousand dollars.
Preview the worksheet and answer key
Make a new rounding large numbers worksheet
Need another page for extra practice, a retake or a second group in class? The free Mathify Kids test maker builds a fresh rounding large numbers worksheet with different numbers every time. Choose how many questions, print it with its own answer key, or let your child take it on screen and see the score straight away.
Rounding large numbers: a worked example (47,586 to the nearest thousand)
- Find the thousands digit: 47,586 has 7 thousands.
- Look at the digit to its right, the hundreds digit: 5.
- 5 or more means round up, so 7 thousands become 8 thousands.
- Change every place after it to zero: 48,000.
How to use it at home and in class
At home
Before each question, ask your child to underline the rounding digit and circle the digit to its right. That one habit fixes most mistakes. A number line helps: 47,586 sits between 47,000 and 48,000, closer to 48,000. Part E has the hard cases with 9s, so talk through one together first. The rounding large numbers lesson shows the number line method, and the rounding guide covers smaller numbers. Ten problems a day works better than a whole sheet at once. Mark them together with the answer key, then ask your child to explain one they got wrong: finding the mistake themselves is where the learning happens.
In class
Use the first row as a warm-up, a full page for independent practice, or five questions as an exit ticket. For a retake or a second group, make a new version with the test maker so every child gets different numbers.
Mistakes to watch for
- Looking at the wrong digit, such as the last digit instead of the one next to the rounding place.
- Rounding up but forgetting to change the later digits to zero.
- Getting stuck on 9s: 49,962 to the nearest hundred is 50,000, because 9 hundreds plus 1 makes a thousand.
- Rounding in steps, so 3,449 becomes 3,450 then 3,500. Round straight from the original number.
What to practice before and after rounding large numbers
- Before: rounding numbers. If this sheet is a struggle, go back a step.
- After: indian place value, once this one is mostly right.
- Learn it first: the rounding large numbers lesson and the estimation and rounding chart.
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Questions parents ask
How do you round large numbers?
Find the rounding place, look at the digit to its right, round up if it is 5 or more, and change all the later digits to zero.
What grade is this rounding large numbers worksheet for?
It is written for grade 4 and matches Common Core standard 4.NBT.A.3.
Can I get a different version of this rounding large numbers worksheet?
Yes. Use the free Mathify Kids test maker to make a new rounding large numbers worksheet with different numbers every time. You choose how many questions, and every version comes with its own answer key.