Year 7 Rounding Decimals Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 7 decimals worksheet.
Year 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 7.697 to 2 decimal places.
Answer: 7.70
- Look at the thousandths digit: 7
- 5 or more, so round up
2.Round 5.851 to 3 significant figures.
Answer: 5.85
- Count 3 figures from the first non-zero digit
- The next digit is 1: less than 5, so round down
3.Round 58.468 to 1 decimal place.
Answer: 58.5
- Look at the hundredths digit: 6
- 5 or more, so round up
4.Round 0.02312 to 1 significant figure.
Answer: 0.02
- Count 1 figure from the first non-zero digit
- The next digit is 3: less than 5, so round down
5.Round 84.343 to the nearest whole number.
Answer: 84
- Look at the tenths digit: 3
- Less than 5, so round down
6.Round 19,115 to 3 significant figures.
Answer: 19,100
- Count 3 figures from the first non-zero digit
- The next digit is 1: less than 5, so round down
7.Round 4.836 to the nearest whole number.
Answer: 5
- Look at the tenths digit: 8
- 5 or more, so round up
8.Round 887,843 to 2 significant figures.
Answer: 890,000
- Count 2 figures from the first non-zero digit
- The next digit is 7: 5 or more, so round up
9.Round 79.863 to the nearest whole number.
Answer: 80
- Look at the tenths digit: 8
- 5 or more, so round up
10.Round 0.4788 to 1 significant figure.
Answer: 0.5
- Count 1 figure from the first non-zero digit
- The next digit is 7: 5 or more, so round up
11.Round 46.887 to 1 decimal place.
Answer: 46.9
- Look at the hundredths digit: 8
- 5 or more, so round up
12.Round 0.6471 to 2 significant figures.
Answer: 0.65
- Count 2 figures from the first non-zero digit
- The next digit is 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.