Year 5 Rounding Decimals Worksheet — Level 3 — Practice Set 4 — 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 4 — 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 88.747 to the nearest whole number.
Answer: 89
- Look at the tenths digit: 7
- 5 or more, so round up
2.Round 282,388 to 2 significant figures.
Answer: 280,000
- Count 2 figures from the first non-zero digit
- The next digit is 2: less than 5, so round down
3.Round 79.149 to 2 decimal places.
Answer: 79.15
- Look at the thousandths digit: 9
- 5 or more, so round up
4.Round 732,141 to 3 significant figures.
Answer: 732,000
- Count 3 figures from the first non-zero digit
- The next digit is 1: less than 5, so round down
5.Round 28.223 to the nearest whole number.
Answer: 28
- Look at the tenths digit: 2
- Less than 5, so round down
6.Round 0.1136 to 1 significant figure.
Answer: 0.1
- Count 1 figure from the first non-zero digit
- The next digit is 1: less than 5, so round down
7.Round 46.503 to 1 decimal place.
Answer: 46.5
- Look at the hundredths digit: 0
- Less than 5, so round down
8.Round 0.0351 to 1 significant figure.
Answer: 0.04
- Count 1 figure from the first non-zero digit
- The next digit is 5: 5 or more, so round up
9.Round 85.423 to 2 decimal places.
Answer: 85.42
- Look at the thousandths digit: 3
- Less than 5, so round down
10.Round 6.414 to 1 significant figure.
Answer: 6
- Count 1 figure from the first non-zero digit
- The next digit is 4: less than 5, so round down
11.Round 30.108 to the nearest whole number.
Answer: 30
- Look at the tenths digit: 1
- Less than 5, so round down
12.Round 783,905 to 2 significant figures.
Answer: 780,000
- Count 2 figures from the first non-zero digit
- The next digit is 3: 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.
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