The worksheet generator on this page produces rounding to the nearest 100 worksheets with real, freshly randomised numbers — 20 of them per sheet by default — plus the answer key a parent or teacher needs to mark it quickly. Right now the generator is set to problems such as Round 799 to the nearest hundred (answer 800) and Round 6,984 to the nearest hundred (answer 7,000); press the button again and the numbers change while the skill stays the same.
‘New set of problems’ opens the generator in its own tab. There you can change the problem count and turn the answer key on or off. ‘Print or save as PDF’ opens the print dialog — choose Save as PDF in the printer list to keep the file. The sheet fits US Letter and A4, and the answer key prints on its own page.
The digit being looked at changes from problem to problem, which stops the child from applying yesterday's position out of habit.
This page uses numbers up to 9,890, and it deliberately avoids exact multiples and exact halfway points where the rule would be ambiguous, which is why a line such as Round 9,197 to the nearest hundred turns up.
Rounding is the arithmetic skill adults actually use most, and a question like Round 799 to the nearest hundred — answer 800 — is the whole idea in one line: which multiple is this number nearer to?
Rounding is also the fastest way to check any other calculation. A child who can round the two numbers in a multiplication before doing it will notice a wildly wrong answer immediately.
These rounding to the nearest 100 worksheets are commonly aligned with the rounding and estimation expectations for this grade, and the skill appears in most curricula somewhere around this point.
| # | Problem | Answer | What to check |
|---|---|---|---|
| 1 | Round 799 to the nearest hundred = | 800 | Watch for: losing digits on the left |
| 2 | Round 6,984 to the nearest hundred = | 7,000 | Check: rounding the wrong place |
| 3 | Round 3,675 to the nearest hundred = | 3,700 | Look at: changing every digit to the right instead of zeroing them |
| 4 | Round 6,698 to the nearest hundred = | 6,700 | Ask about: rounding twice |
| 5 | Round 9,197 to the nearest hundred = | 9,200 | Watch for: treating the 5 rule as arbitrary |
| 6 | Round 5,297 to the nearest hundred = | 5,300 | Check: rounding down at the boundary |
A good first problem to do together is Round 799 to the nearest hundred, which comes out at 800. Do Round 799 to the nearest hundred once with the child narrating, then hand over the pencil and start the clock on the other 20 problems.
Work Round 6,698 to the nearest hundred out loud as a demonstration. It gives 6,700. Children who hear Round 6,698 to the nearest hundred reasoned through once at the start of a session make noticeably fewer errors in the ten minutes that follow.
The key prints on its own page by default. Uncheck the answer-key box before printing if you would rather keep it back and mark the sheet yourself.
Answers appear next to their question numbers, so a wrong item like Round 6,984 to the nearest hundred can be found in the key in a second and re-worked while it is still fresh.
Portrait orientation is what the sheet is designed for. Landscape works but wastes about a third of the paper, so leave the orientation alone unless you have a reason.
For a class set, print one sheet, press the new-worksheet button and print again. Each child gets different numbers on the same skill, so nobody can copy the answer to Round 799 to the nearest hundred from a neighbour.
When these become easy, move along the related links below rather than adding more problems to the same sheet.
Free printable math worksheets from a working math academy director in Korea. Problems come from our own code, not from a published workbook. Every sheet prints on US Letter or A4 with its answer key. All worksheets · Worksheet generator · Korean site
Last updated: 2026-09-13