Year 8 Rounding Decimals Worksheet — Level 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 — 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 68.845 to 2 decimal places.
Answer: 68.85
- Look at the thousandths digit: 5
- 5 or more, so round up
2.Round 0.00942 to 1 significant figure.
Answer: 0.009
- Count 1 figure from the first non-zero digit
- The next digit is 4: less than 5, so round down
3.Round 81.326 to 2 decimal places.
Answer: 81.33
- Look at the thousandths digit: 6
- 5 or more, so round up
4.Round 0.5559 to 2 significant figures.
Answer: 0.56
- Count 2 figures from the first non-zero digit
- The next digit is 5: 5 or more, so round up
5.Round 35.116 to 2 decimal places.
Answer: 35.12
- Look at the thousandths digit: 6
- 5 or more, so round up
6.Round 0.2509 to 2 significant figures.
Answer: 0.25
- Count 2 figures from the first non-zero digit
- The next digit is 0: less than 5, so round down
7.Round 5.328 to 1 decimal place.
Answer: 5.3
- Look at the hundredths digit: 2
- Less than 5, so round down
8.Round 816,313 to 2 significant figures.
Answer: 820,000
- Count 2 figures from the first non-zero digit
- The next digit is 6: 5 or more, so round up
9.Round 26.299 to the nearest whole number.
Answer: 26
- Look at the tenths digit: 2
- Less than 5, so round down
10.Round 749,514 to 2 significant figures.
Answer: 750,000
- Count 2 figures from the first non-zero digit
- The next digit is 9: 5 or more, so round up
11.Round 84.475 to 1 decimal place.
Answer: 84.5
- Look at the hundredths digit: 7
- 5 or more, so round up
12.Round 446,685 to 1 significant figure.
Answer: 400,000
- 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.