Year 7 Rounding Decimals Worksheet — Level 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 — 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 34.411 to the nearest whole number.
Answer: 34
- Look at the tenths digit: 4
- Less than 5, so round down
2.Round 2.139 to 3 significant figures.
Answer: 2.14
- Count 3 figures from the first non-zero digit
- The next digit is 9: 5 or more, so round up
3.Round 53.861 to 2 decimal places.
Answer: 53.86
- Look at the thousandths digit: 1
- Less than 5, so round down
4.Round 0.09442 to 3 significant figures.
Answer: 0.0944
- Count 3 figures from the first non-zero digit
- The next digit is 2: less than 5, so round down
5.Round 93.963 to 2 decimal places.
Answer: 93.96
- Look at the thousandths digit: 3
- Less than 5, so round down
6.Round 0.03546 to 1 significant figure.
Answer: 0.04
- Count 1 figure from the first non-zero digit
- The next digit is 5: 5 or more, so round up
7.Round 57.389 to the nearest whole number.
Answer: 57
- Look at the tenths digit: 3
- Less than 5, so round down
8.Round 390,167 to 3 significant figures.
Answer: 390,000
- Count 3 figures from the first non-zero digit
- The next digit is 1: less than 5, so round down
9.Round 97.042 to the nearest whole number.
Answer: 97
- Look at the tenths digit: 0
- Less than 5, so round down
10.Round 8.306 to 1 significant figure.
Answer: 8
- Count 1 figure from the first non-zero digit
- The next digit is 3: less than 5, so round down
11.Round 51.479 to the nearest whole number.
Answer: 51
- Look at the tenths digit: 4
- Less than 5, so round down
12.Round 685,763 to 2 significant figures.
Answer: 690,000
- Count 2 figures from the first non-zero digit
- The next digit is 5: 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.