Year 8 Rounding Decimals Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 8 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · DecimalsYear 8 Rounding Decimals Worksheet — Level 3 — Practice Set 2 — 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 38.526 to 1 decimal place.
Answer: 38.5
- Look at the hundredths digit: 2
- Less than 5, so round down
2.Round 578,501 to 3 significant figures.
Answer: 579,000
- Count 3 figures from the first non-zero digit
- The next digit is 5: 5 or more, so round up
3.Round 87.549 to the nearest whole number.
Answer: 88
- Look at the tenths digit: 5
- 5 or more, so round up
4.Round 0.1648 to 3 significant figures.
Answer: 0.165
- Count 3 figures from the first non-zero digit
- The next digit is 8: 5 or more, so round up
5.Round 32.682 to 2 decimal places.
Answer: 32.68
- Look at the thousandths digit: 2
- Less than 5, so round down
6.Round 8.625 to 3 significant figures.
Answer: 8.63
- Count 3 figures from the first non-zero digit
- The next digit is 5: 5 or more, so round up
7.Round 24.994 to the nearest whole number.
Answer: 25
- Look at the tenths digit: 9
- 5 or more, so round up
8.Round 0.03414 to 2 significant figures.
Answer: 0.034
- Count 2 figures from the first non-zero digit
- The next digit is 1: less than 5, so round down
9.Round 2.908 to the nearest whole number.
Answer: 3
- Look at the tenths digit: 9
- 5 or more, so round up
10.Round 0.4616 to 1 significant figure.
Answer: 0.5
- Count 1 figure from the first non-zero digit
- The next digit is 6: 5 or more, so round up
11.Round 71.767 to 2 decimal places.
Answer: 71.77
- Look at the thousandths digit: 7
- 5 or more, so round up
12.Round 681,351 to 3 significant figures.
Answer: 681,000
- Count 3 figures from the first non-zero digit
- The next digit is 3: 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.