Year 5 Rounding Decimals Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the Year 5 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 5 · Mathematics · DecimalsYear 5 Rounding Decimals Worksheet — Level 3 — Answers
Look at the digit just after the place you are rounding to: 5 or more rounds up, less than 5 rounds down.
1.Round 62.447 to 1 decimal place.
Answer: 62.4
- Look at the hundredths digit: 4
- Less than 5, so round down
2.Round 245,546 to 2 significant figures.
Answer: 250,000
- Count 2 figures from the first non-zero digit
- The next digit is 5: 5 or more, so round up
3.Round 67.121 to 1 decimal place.
Answer: 67.1
- Look at the hundredths digit: 2
- Less than 5, so round down
4.Round 626,746 to 3 significant figures.
Answer: 627,000
- Count 3 figures from the first non-zero digit
- The next digit is 7: 5 or more, so round up
5.Round 37.465 to the nearest whole number.
Answer: 37
- Look at the tenths digit: 4
- Less than 5, so round down
6.Round 204,509 to 2 significant figures.
Answer: 200,000
- Count 2 figures from the first non-zero digit
- The next digit is 4: less than 5, so round down
7.Round 18.492 to 1 decimal place.
Answer: 18.5
- Look at the hundredths digit: 9
- 5 or more, so round up
8.Round 778,934 to 2 significant figures.
Answer: 780,000
- Count 2 figures from the first non-zero digit
- The next digit is 8: 5 or more, so round up
9.Round 51.203 to 1 decimal place.
Answer: 51.2
- Look at the hundredths digit: 0
- Less than 5, so round down
10.Round 0.2509 to 3 significant figures.
Answer: 0.251
- Count 3 figures from the first non-zero digit
- The next digit is 9: 5 or more, so round up
11.Round 54.561 to 2 decimal places.
Answer: 54.56
- Look at the thousandths digit: 1
- Less than 5, so round down
12.Round 7.402 to 1 significant figure.
Answer: 7
- Count 1 figure from the first non-zero digit
- The next digit is 4: less than 5, so round down
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.
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