Year 6 Estimating Sums, Differences and Products Worksheet — Level 2 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 6 place value worksheet.
Success TutoringWorksheetsAnswer sheetYear 6 · Mathematics · Place ValueYear 6 Estimating Sums, Differences and Products Worksheet — Level 2 — Practice Set 4 — Answers
Round each number first, then work out the estimate in your head.
1.Estimate 386 + 501 by rounding each number to the nearest 100.
Answer: 900
- 386 rounds to 400; 501 rounds to 500
- 400 + 500 = 900
The exact answer is 887, close to the estimate.
2.Estimate 63 × 4 by rounding 63 to the nearest 10.
Answer: 240
- 63 rounds to 60
- 60 × 4 = 240
The exact answer is 252.
3.Estimate 565 + 888 by rounding each number to the nearest 100.
Answer: 1,500
- 565 rounds to 600; 888 rounds to 900
- 600 + 900 = 1,500
The exact answer is 1,453, close to the estimate.
4.Estimate 16 × 5 by rounding 16 to the nearest 10.
Answer: 100
- 16 rounds to 20
- 20 × 5 = 100
The exact answer is 80.
5.Estimate 960 − 589 by rounding each number to the nearest 100.
Answer: 400
- 960 rounds to 1,000; 589 rounds to 600
- 1,000 − 600 = 400
The exact answer is 371, close to the estimate.
6.Estimate 11 × 4 by rounding 11 to the nearest 10.
Answer: 40
- 11 rounds to 10
- 10 × 4 = 40
The exact answer is 44.
7.Estimate 116 + 782 by rounding each number to the nearest 100.
Answer: 900
- 116 rounds to 100; 782 rounds to 800
- 100 + 800 = 900
The exact answer is 898, close to the estimate.
8.Estimate 32 × 3 by rounding 32 to the nearest 10.
Answer: 90
- 32 rounds to 30
- 30 × 3 = 90
The exact answer is 96.
9.Estimate 292 − 234 by rounding each number to the nearest 100.
Answer: 100
- 292 rounds to 300; 234 rounds to 200
- 300 − 200 = 100
The exact answer is 58, close to the estimate.
10.Estimate 93 × 8 by rounding 93 to the nearest 10.
Answer: 720
- 93 rounds to 90
- 90 × 8 = 720
The exact answer is 744.
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.