Rounding Decimals Practice
20 questions · 60 seconds · round to whole / tenth / hundredth
Free · no login · instant feedback on every answer
Extend the rounding rule past the decimal point: 20 questions mix rounding to the nearest whole number, tenth, and hundredth — round 4.397 to the nearest tenth, 55.52 to the nearest whole — with instant feedback on every answer.
Decimal rounding is whole-number rounding plus one extra demand: locating the right place value on the other side of the point. Because the targets are mixed, every question starts with reading the instruction — which is exactly what estimation, measurement, and money calculations require. The wrong-answer tiles are the classic misses (truncating instead of rounding, rounding the wrong direction), so close reading gets rewarded.
Tips That Make It Stick
- Underline the target digit first. Rounding 4.397 to the nearest tenth? The 3 is the digit on trial, and the 9 beside it makes the call: round up to 4.4.
- Five or more rounds up. The rule is the same on both sides of the decimal point — the digit to the right of the target decides, and everything after it drops away.
- Watch the carry. 2.96 to the nearest tenth is 3, not 2.10 — when the 9 rounds up it carries into the ones place. Carries across the decimal point are the most-missed decimal rounding questions.
Frequently Asked Questions
How do you round a decimal to the nearest tenth?
Look at the hundredths digit — the one immediately right of the tenths place. If it is 5 or more, round the tenths digit up; otherwise keep it. For 3.47, the 7 rounds the 4 up, giving 3.5.
What grade rounds decimals?
Rounding decimals to any place is a 5th grade standard, building on the whole-number rounding learned in 3rd and 4th grade. It stays in constant use for estimating with money, measurement, and division answers.
Is rounding 4.397 to the nearest tenth 4.3 or 4.4?
4.4 — the deciding digit is the 9 in the hundredths place, and 9 rounds the tenths digit up. Writing 4.3 is truncation (just cutting the number off), which is the most common decimal rounding mistake.
📝 Matching Printable Worksheets
Prefer paper practice? These free PDF worksheets cover the same skill — each includes an answer key: