6th Grade Estimating Sums, Differences and Products Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 6th Grade place value worksheet.
Success TutoringWorksheetsAnswer sheet6th Grade · Mathematics · Place Value6th Grade Estimating Sums, Differences and Products Worksheet — Level 2 — Practice Set 2 — Answers
Round each number first, then work out the estimate in your head.
1.Estimate 977 − 561 by rounding each number to the nearest 100.
Answer: 400
- 977 rounds to 1,000; 561 rounds to 600
- 1,000 − 600 = 400
The exact answer is 416, close to the estimate.
2.Estimate 35 × 7 by rounding 35 to the nearest 10.
Answer: 280
- 35 rounds to 40
- 40 × 7 = 280
The exact answer is 245.
3.Estimate 539 + 560 by rounding each number to the nearest 100.
Answer: 1,100
- 539 rounds to 500; 560 rounds to 600
- 500 + 600 = 1,100
The exact answer is 1,099, close to the estimate.
4.Estimate 12 × 6 by rounding 12 to the nearest 10.
Answer: 60
- 12 rounds to 10
- 10 × 6 = 60
The exact answer is 72.
5.Estimate 498 − 206 by rounding each number to the nearest 100.
Answer: 300
- 498 rounds to 500; 206 rounds to 200
- 500 − 200 = 300
The exact answer is 292, close to the estimate.
6.Estimate 89 × 7 by rounding 89 to the nearest 10.
Answer: 630
- 89 rounds to 90
- 90 × 7 = 630
The exact answer is 623.
7.Estimate 925 − 304 by rounding each number to the nearest 100.
Answer: 600
- 925 rounds to 900; 304 rounds to 300
- 900 − 300 = 600
The exact answer is 621, close to the estimate.
8.Estimate 68 × 4 by rounding 68 to the nearest 10.
Answer: 280
- 68 rounds to 70
- 70 × 4 = 280
The exact answer is 272.
9.Estimate 556 − 533 by rounding each number to the nearest 100.
Answer: 100
- 556 rounds to 600; 533 rounds to 500
- 600 − 500 = 100
The exact answer is 23, close to the estimate.
10.Estimate 61 × 9 by rounding 61 to the nearest 10.
Answer: 540
- 61 rounds to 60
- 60 × 9 = 540
The exact answer is 549.
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.