Year 8 Rounding Decimals Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 8 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · DecimalsYear 8 Rounding Decimals Worksheet — Level 1 — Practice Set 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 625.4 to the nearest whole number.
Answer: 625
- Look at the tenths digit: 4
- Less than 5, so round down
2.Round 843.2 to the nearest whole number.
Answer: 843
- Look at the tenths digit: 2
- Less than 5, so round down
3.Round 433.5 to the nearest whole number.
Answer: 434
- Look at the tenths digit: 5
- 5 or more, so round up
4.Round 57.42 to 1 decimal place.
Answer: 57.4
- Look at the hundredths digit: 2
- Less than 5, so round down
5.Round 104.2 to the nearest whole number.
Answer: 104
- Look at the tenths digit: 2
- Less than 5, so round down
6.Round 89.21 to 1 decimal place.
Answer: 89.2
- Look at the hundredths digit: 1
- Less than 5, so round down
7.Round 58.12 to 1 decimal place.
Answer: 58.1
- Look at the hundredths digit: 2
- Less than 5, so round down
8.Round 46.33 to the nearest whole number.
Answer: 46
- Look at the tenths digit: 3
- Less than 5, so round down
9.Round 539.9 to the nearest whole number.
Answer: 540
- Look at the tenths digit: 9
- 5 or more, so round up
10.Round 22.68 to 1 decimal place.
Answer: 22.7
- Look at the hundredths digit: 8
- 5 or more, so round up
11.Round 138.9 to the nearest whole number.
Answer: 139
- Look at the tenths digit: 9
- 5 or more, so round up
12.Round 636.9 to the nearest whole number.
Answer: 637
- Look at the tenths digit: 9
- 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.