Year 8 Rounding Decimals Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 8 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · DecimalsYear 8 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 22.062 to 2 decimal places.
Answer: 22.06
- Look at the thousandths digit: 2
- Less than 5, so round down
2.Round 788,201 to 3 significant figures.
Answer: 788,000
- Count 3 figures from the first non-zero digit
- The next digit is 2: less than 5, so round down
3.Round 86.967 to the nearest whole number.
Answer: 87
- Look at the tenths digit: 9
- 5 or more, so round up
4.Round 0.1864 to 2 significant figures.
Answer: 0.19
- Count 2 figures from the first non-zero digit
- The next digit is 6: 5 or more, so round up
5.Round 38.503 to 2 decimal places.
Answer: 38.50
- Look at the thousandths digit: 3
- Less than 5, so round down
6.Round 0.7576 to 3 significant figures.
Answer: 0.758
- Count 3 figures from the first non-zero digit
- The next digit is 6: 5 or more, so round up
7.Round 23.772 to 2 decimal places.
Answer: 23.77
- Look at the thousandths digit: 2
- Less than 5, so round down
8.Round 0.07161 to 3 significant figures.
Answer: 0.0716
- Count 3 figures from the first non-zero digit
- The next digit is 1: less than 5, so round down
9.Round 9.177 to 1 decimal place.
Answer: 9.2
- Look at the hundredths digit: 7
- 5 or more, so round up
10.Round 0.312 to 2 significant figures.
Answer: 0.31
- Count 2 figures from the first non-zero digit
- The next digit is 2: less than 5, so round down
11.Round 21.945 to 1 decimal place.
Answer: 21.9
- Look at the hundredths digit: 4
- Less than 5, so round down
12.Round 4.284 to 2 significant figures.
Answer: 4.3
- Count 2 figures from the first non-zero digit
- The next digit is 8: 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.
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