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 74.493 to 1 decimal place.
Answer: 74.5
- Look at the hundredths digit: 9
- 5 or more, so round up
2.Round 971,284 to 2 significant figures.
Answer: 970,000
- Count 2 figures from the first non-zero digit
- The next digit is 1: less than 5, so round down
3.Round 24.129 to 2 decimal places.
Answer: 24.13
- Look at the thousandths digit: 9
- 5 or more, so round up
4.Round 557,313 to 3 significant figures.
Answer: 557,000
- Count 3 figures from the first non-zero digit
- The next digit is 3: less than 5, so round down
5.Round 43.154 to 2 decimal places.
Answer: 43.15
- Look at the thousandths digit: 4
- Less than 5, so round down
6.Round 3.246 to 2 significant figures.
Answer: 3.2
- Count 2 figures from the first non-zero digit
- The next digit is 4: less than 5, so round down
7.Round 50.925 to the nearest whole number.
Answer: 51
- Look at the tenths digit: 9
- 5 or more, so round up
8.Round 0.3583 to 1 significant figure.
Answer: 0.4
- Count 1 figure from the first non-zero digit
- The next digit is 5: 5 or more, so round up
9.Round 13.293 to the nearest whole number.
Answer: 13
- Look at the tenths digit: 2
- Less than 5, so round down
10.Round 640,945 to 2 significant figures.
Answer: 640,000
- Count 2 figures from the first non-zero digit
- The next digit is 0: less than 5, so round down
11.Round 19.645 to the nearest whole number.
Answer: 20
- Look at the tenths digit: 6
- 5 or more, so round up
12.Round 212,504 to 3 significant figures.
Answer: 213,000
- Count 3 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.