5th Grade Rounding Decimals Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 5th Grade decimals worksheet.
Success TutoringWorksheetsAnswer sheet5th Grade · Mathematics · Decimals5th Grade Rounding Decimals Worksheet — Level 3 — Practice Set 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 34.097 to 1 decimal place.
Answer: 34.1
- Look at the hundredths digit: 9
- 5 or more, so round up
2.Round 0.07629 to 3 significant figures.
Answer: 0.0763
- Count 3 figures from the first non-zero digit
- The next digit is 9: 5 or more, so round up
3.Round 87.852 to 1 decimal place.
Answer: 87.9
- Look at the hundredths digit: 5
- 5 or more, so round up
4.Round 0.04065 to 2 significant figures.
Answer: 0.041
- Count 2 figures from the first non-zero digit
- The next digit is 6: 5 or more, so round up
5.Round 30.687 to the nearest whole number.
Answer: 31
- Look at the tenths digit: 6
- 5 or more, so round up
6.Round 0.03144 to 3 significant figures.
Answer: 0.0314
- Count 3 figures from the first non-zero digit
- The next digit is 4: less than 5, so round down
7.Round 31.588 to 1 decimal place.
Answer: 31.6
- Look at the hundredths digit: 8
- 5 or more, so round up
8.Round 498,872 to 1 significant figure.
Answer: 500,000
- Count 1 figure from the first non-zero digit
- The next digit is 9: 5 or more, so round up
9.Round 26.219 to the nearest whole number.
Answer: 26
- Look at the tenths digit: 2
- Less than 5, so round down
10.Round 245,738 to 1 significant figure.
Answer: 200,000
- Count 1 figure from the first non-zero digit
- The next digit is 4: less than 5, so round down
11.Round 80.969 to the nearest whole number.
Answer: 81
- Look at the tenths digit: 9
- 5 or more, so round up
12.Round 876,602 to 3 significant figures.
Answer: 877,000
- Count 3 figures from the first non-zero digit
- The next digit is 6: 5 or more, so round up
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.