Year 8 Rounding Decimals Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 8 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · DecimalsYear 8 Rounding Decimals Worksheet — Level 1 — 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 138.5 to the nearest whole number.
Answer: 139
- Look at the tenths digit: 5
- 5 or more, so round up
2.Round 128.2 to the nearest whole number.
Answer: 128
- Look at the tenths digit: 2
- Less than 5, so round down
3.Round 31.38 to 1 decimal place.
Answer: 31.4
- Look at the hundredths digit: 8
- 5 or more, so round up
4.Round 89.3 to the nearest whole number.
Answer: 89
- Look at the tenths digit: 3
- Less than 5, so round down
5.Round 19.5 to the nearest whole number.
Answer: 20
- Look at the tenths digit: 5
- 5 or more, so round up
6.Round 52.52 to the nearest whole number.
Answer: 53
- Look at the tenths digit: 5
- 5 or more, so round up
7.Round 93.72 to the nearest whole number.
Answer: 94
- Look at the tenths digit: 7
- 5 or more, so round up
8.Round 342.6 to the nearest whole number.
Answer: 343
- Look at the tenths digit: 6
- 5 or more, so round up
9.Round 67.06 to the nearest whole number.
Answer: 67
- Look at the tenths digit: 0
- Less than 5, so round down
10.Round 85.43 to the nearest whole number.
Answer: 85
- Look at the tenths digit: 4
- Less than 5, so round down
11.Round 64.31 to the nearest whole number.
Answer: 64
- Look at the tenths digit: 3
- Less than 5, so round down
12.Round 84.63 to 1 decimal place.
Answer: 84.6
- Look at the hundredths digit: 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.
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