Year 5 Rounding Decimals Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 5 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 5 · Mathematics · DecimalsYear 5 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 45.552 to 2 decimal places.
Answer: 45.55
- Look at the thousandths digit: 2
- Less than 5, so round down
2.Round 17,036 to 1 significant figure.
Answer: 20,000
- Count 1 figure from the first non-zero digit
- The next digit is 7: 5 or more, so round up
3.Round 91.418 to the nearest whole number.
Answer: 91
- Look at the tenths digit: 4
- Less than 5, so round down
4.Round 1.416 to 1 significant figure.
Answer: 1
- Count 1 figure from the first non-zero digit
- The next digit is 4: less than 5, so round down
5.Round 16.378 to the nearest whole number.
Answer: 16
- Look at the tenths digit: 3
- Less than 5, so round down
6.Round 163,095 to 1 significant figure.
Answer: 200,000
- Count 1 figure from the first non-zero digit
- The next digit is 6: 5 or more, so round up
7.Round 78.135 to 1 decimal place.
Answer: 78.1
- Look at the hundredths digit: 3
- Less than 5, so round down
8.Round 9.171 to 1 significant figure.
Answer: 9
- Count 1 figure from the first non-zero digit
- The next digit is 1: less than 5, so round down
9.Round 39.848 to 1 decimal place.
Answer: 39.8
- Look at the hundredths digit: 4
- Less than 5, so round down
10.Round 887,814 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
11.Round 59.677 to 2 decimal places.
Answer: 59.68
- Look at the thousandths digit: 7
- 5 or more, so round up
12.Round 4.925 to 3 significant figures.
Answer: 4.93
- 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.