Year 9 Rounding Decimals Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 9 decimals worksheet.
Year 9 Rounding Decimals Worksheet — Level 2 — Practice Set 2 — 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 11.492 to 2 decimal places.
Answer: 11.49
- Look at the thousandths digit: 2
- Less than 5, so round down
2.Round 8.221 to the nearest whole number.
Answer: 8
- Look at the tenths digit: 2
- Less than 5, so round down
3.Round 1.577 to 2 decimal places.
Answer: 1.58
- Look at the thousandths digit: 7
- 5 or more, so round up
4.Round 497.85 to 1 decimal place.
Answer: 497.9
- Look at the hundredths digit: 5
- 5 or more, so round up
5.Round 41.356 to the nearest whole number.
Answer: 41
- Look at the tenths digit: 3
- Less than 5, so round down
6.Round 15.644 to 2 decimal places.
Answer: 15.64
- Look at the thousandths digit: 4
- Less than 5, so round down
7.Round 39.909 to 1 decimal place.
Answer: 39.9
- Look at the hundredths digit: 0
- Less than 5, so round down
8.Round 728.57 to the nearest whole number.
Answer: 729
- Look at the tenths digit: 5
- 5 or more, so round up
9.Round 72.207 to 2 decimal places.
Answer: 72.21
- Look at the thousandths digit: 7
- 5 or more, so round up
10.Round 78.859 to 2 decimal places.
Answer: 78.86
- Look at the thousandths digit: 9
- 5 or more, so round up
11.Round 791.51 to the nearest whole number.
Answer: 792
- Look at the tenths digit: 5
- 5 or more, so round up
12.Round 735.77 to 1 decimal place.
Answer: 735.8
- Look at the hundredths digit: 7
- 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.