Year 7 Rounding Decimals Worksheet — Level 3 — Practice Set 2 — 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 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 23.158 to 1 decimal place.
Answer: 23.2
- Look at the hundredths digit: 5
- 5 or more, so round up
2.Round 764,224 to 3 significant figures.
Answer: 764,000
- Count 3 figures from the first non-zero digit
- The next digit is 2: less than 5, so round down
3.Round 29.705 to 2 decimal places.
Answer: 29.71
- Look at the thousandths digit: 5
- 5 or more, so round up
4.Round 206,176 to 1 significant figure.
Answer: 200,000
- Count 1 figure from the first non-zero digit
- The next digit is 0: less than 5, so round down
5.Round 86.594 to 1 decimal place.
Answer: 86.6
- Look at the hundredths digit: 9
- 5 or more, so round up
6.Round 3.299 to 3 significant figures.
Answer: 3.30
- Count 3 figures from the first non-zero digit
- The next digit is 9: 5 or more, so round up
7.Round 19.001 to the nearest whole number.
Answer: 19
- Look at the tenths digit: 0
- Less than 5, so round down
8.Round 899,244 to 2 significant figures.
Answer: 900,000
- Count 2 figures from the first non-zero digit
- The next digit is 9: 5 or more, so round up
9.Round 33.431 to 2 decimal places.
Answer: 33.43
- Look at the thousandths digit: 1
- Less than 5, so round down
10.Round 0.06289 to 1 significant figure.
Answer: 0.06
- Count 1 figure from the first non-zero digit
- The next digit is 2: less than 5, so round down
11.Round 20.964 to 1 decimal place.
Answer: 21.0
- Look at the hundredths digit: 6
- 5 or more, so round up
12.Round 231,071 to 2 significant figures.
Answer: 230,000
- Count 2 figures from the first non-zero digit
- The next digit is 1: 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.