Year 7 Rounding Decimals Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 7 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · DecimalsYear 7 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 49.306 to 1 decimal place.
Answer: 49.3
- Look at the hundredths digit: 0
- Less than 5, so round down
2.Round 0.6058 to 2 significant figures.
Answer: 0.61
- Count 2 figures from the first non-zero digit
- The next digit is 5: 5 or more, so round up
3.Round 10.907 to 1 decimal place.
Answer: 10.9
- Look at the hundredths digit: 0
- Less than 5, so round down
4.Round 41,831 to 3 significant figures.
Answer: 41,800
- Count 3 figures from the first non-zero digit
- The next digit is 3: less than 5, so round down
5.Round 93.499 to 1 decimal place.
Answer: 93.5
- Look at the hundredths digit: 9
- 5 or more, so round up
6.Round 371,505 to 3 significant figures.
Answer: 372,000
- Count 3 figures from the first non-zero digit
- The next digit is 5: 5 or more, so round up
7.Round 70.566 to 1 decimal place.
Answer: 70.6
- Look at the hundredths digit: 6
- 5 or more, so round up
8.Round 0.09753 to 2 significant figures.
Answer: 0.098
- Count 2 figures from the first non-zero digit
- The next digit is 5: 5 or more, so round up
9.Round 49.313 to 2 decimal places.
Answer: 49.31
- Look at the thousandths digit: 3
- Less than 5, so round down
10.Round 645,213 to 3 significant figures.
Answer: 645,000
- Count 3 figures from the first non-zero digit
- The next digit is 2: less than 5, so round down
11.Round 53.174 to 2 decimal places.
Answer: 53.17
- Look at the thousandths digit: 4
- Less than 5, so round down
12.Round 296,546 to 1 significant figure.
Answer: 300,000
- Count 1 figure from the first non-zero digit
- The next digit is 9: 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.