Year 9 Rounding Decimals Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 9 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · DecimalsYear 9 Rounding Decimals Worksheet — Level 3 — Practice Set 4 — 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 57.058 to 2 decimal places.
Answer: 57.06
- Look at the thousandths digit: 8
- 5 or more, so round up
2.Round 602,914 to 1 significant figure.
Answer: 600,000
- Count 1 figure from the first non-zero digit
- The next digit is 0: less than 5, so round down
3.Round 38.415 to the nearest whole number.
Answer: 38
- Look at the tenths digit: 4
- Less than 5, so round down
4.Round 2.895 to 1 significant figure.
Answer: 3
- Count 1 figure from the first non-zero digit
- The next digit is 8: 5 or more, so round up
5.Round 22.945 to 2 decimal places.
Answer: 22.95
- Look at the thousandths digit: 5
- 5 or more, so round up
6.Round 42,008 to 2 significant figures.
Answer: 42,000
- Count 2 figures from the first non-zero digit
- The next digit is 0: less than 5, so round down
7.Round 58.544 to the nearest whole number.
Answer: 59
- Look at the tenths digit: 5
- 5 or more, so round up
8.Round 0.07514 to 3 significant figures.
Answer: 0.0751
- Count 3 figures from the first non-zero digit
- The next digit is 4: less than 5, so round down
9.Round 97.841 to 2 decimal places.
Answer: 97.84
- Look at the thousandths digit: 1
- Less than 5, so round down
10.Round 633,525 to 1 significant figure.
Answer: 600,000
- Count 1 figure from the first non-zero digit
- The next digit is 3: less than 5, so round down
11.Round 87.419 to 2 decimal places.
Answer: 87.42
- Look at the thousandths digit: 9
- 5 or more, so round up
12.Round 12,466 to 1 significant figure.
Answer: 10,000
- Count 1 figure from the first non-zero digit
- The next digit is 2: 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.