Year 8 Rounding Decimals Worksheet — Level 3 — Practice Set 3 — 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 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 81.125 to 2 decimal places.
Answer: 81.13
- Look at the thousandths digit: 5
- 5 or more, so round up
2.Round 0.2741 to 2 significant figures.
Answer: 0.27
- Count 2 figures from the first non-zero digit
- The next digit is 4: less than 5, so round down
3.Round 32.289 to the nearest whole number.
Answer: 32
- Look at the tenths digit: 2
- Less than 5, so round down
4.Round 0.1531 to 3 significant figures.
Answer: 0.153
- Count 3 figures from the first non-zero digit
- The next digit is 1: less than 5, so round down
5.Round 60.254 to the nearest whole number.
Answer: 60
- Look at the tenths digit: 2
- Less than 5, so round down
6.Round 451,702 to 1 significant figure.
Answer: 500,000
- Count 1 figure from the first non-zero digit
- The next digit is 5: 5 or more, so round up
7.Round 22.658 to 2 decimal places.
Answer: 22.66
- Look at the thousandths digit: 8
- 5 or more, so round up
8.Round 771,985 to 3 significant figures.
Answer: 772,000
- Count 3 figures from the first non-zero digit
- The next digit is 9: 5 or more, so round up
9.Round 79.667 to 1 decimal place.
Answer: 79.7
- Look at the hundredths digit: 6
- 5 or more, so round up
10.Round 0.1275 to 3 significant figures.
Answer: 0.128
- Count 3 figures from the first non-zero digit
- The next digit is 5: 5 or more, so round up
11.Round 43.596 to 1 decimal place.
Answer: 43.6
- Look at the hundredths digit: 9
- 5 or more, so round up
12.Round 267,153 to 1 significant figure.
Answer: 300,000
- Count 1 figure 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.