7th Grade Rounding Decimals Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 7th Grade decimals worksheet.
7th Grade 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 97.994 to 2 decimal places.
Answer: 97.99
- Look at the thousandths digit: 4
- Less than 5, so round down
2.Round 377,915 to 2 significant figures.
Answer: 380,000
- Count 2 figures from the first non-zero digit
- The next digit is 7: 5 or more, so round up
3.Round 63.429 to 2 decimal places.
Answer: 63.43
- Look at the thousandths digit: 9
- 5 or more, so round up
4.Round 8.437 to 1 significant figure.
Answer: 8
- Count 1 figure from the first non-zero digit
- The next digit is 4: less than 5, so round down
5.Round 86.193 to 2 decimal places.
Answer: 86.19
- Look at the thousandths digit: 3
- Less than 5, so round down
6.Round 1.861 to 1 significant figure.
Answer: 2
- Count 1 figure from the first non-zero digit
- The next digit is 8: 5 or more, so round up
7.Round 77.006 to the nearest whole number.
Answer: 77
- Look at the tenths digit: 0
- Less than 5, so round down
8.Round 0.9066 to 2 significant figures.
Answer: 0.91
- Count 2 figures from the first non-zero digit
- The next digit is 6: 5 or more, so round up
9.Round 39.595 to the nearest whole number.
Answer: 40
- Look at the tenths digit: 5
- 5 or more, so round up
10.Round 0.6675 to 3 significant figures.
Answer: 0.668
- Count 3 figures from the first non-zero digit
- The next digit is 5: 5 or more, so round up
11.Round 88.113 to 2 decimal places.
Answer: 88.11
- Look at the thousandths digit: 3
- Less than 5, so round down
12.Round 0.1628 to 2 significant figures.
Answer: 0.16
- Count 2 figures from the first non-zero digit
- The next digit is 2: 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.