Questions on Estimation - Grade 6
Multiple-choice questions on Estimation designed for Grade 6 students. Each question is numbered and includes five alternatives (A–E). At the end, you’ll find a complete answer key with full explanations.
Estimation – Grade 6
Multiple-Choice Questions (1–20)
1. Estimate: 298 + 703
A) 1,100
B) 900
C) 1,000
D) 800
E) 1,200
2. Estimate the product: 49 × 21
A) 1,000
B) 800
C) 900
D) 1,200
E) 700
3. Estimate: 1,234 − 567
A) 700
B) 600
C) 500
D) 800
E) 400
4. Estimate 345 + 678
A) 1,000
B) 1,100
C) 900
D) 800
E) 950
5. Estimate: 2,950 ÷ 10
A) 300
B) 200
C) 400
D) 500
E) 600
6. Round 6,349 to the nearest hundred:
A) 6,300
B) 6,400
C) 6,350
D) 6,000
E) 6,500
7. Estimate 3,500 − 1,750
A) 2,000
B) 1,900
C) 1,800
D) 1,700
E) 1,600
8. Round 487 to the nearest ten:
A) 490
B) 480
C) 470
D) 500
E) 460
9. Estimate 225 + 368
A) 600
B) 550
C) 500
D) 700
E) 800
10. Estimate the product: 198 × 5
A) 1,000
B) 800
C) 900
D) 1,100
E) 950
11. Round 5,678 to the nearest thousand:
A) 5,000
B) 6,000
C) 5,700
D) 5,600
E) 6,100
12. Estimate 789 − 245
A) 600
B) 550
C) 500
D) 400
E) 450
13. Estimate: 123 + 89
A) 200
B) 150
C) 210
D) 180
E) 170
14. Round 9,941 to the nearest hundred:
A) 9,900
B) 9,940
C) 9,950
D) 10,000
E) 9,990
15. Estimate 6,200 ÷ 2
A) 3,200
B) 3,000
C) 3,100
D) 3,400
E) 3,500
16. Estimate: 427 + 488
A) 800
B) 900
C) 1,000
D) 850
E) 950
17. Estimate the difference: 1,002 − 488
A) 600
B) 500
C) 400
D) 700
E) 800
18. Round 7,235 to the nearest ten:
A) 7,240
B) 7,230
C) 7,200
D) 7,250
E) 7,300
19. Estimate the quotient: 860 ÷ 4
A) 220
B) 200
C) 210
D) 230
E) 240
20. Estimate 334 + 271
A) 500
B) 600
C) 700
D) 650
E) 550
- Questions on Whole Number Addition – Grade 6
- Questions on Whole Number Subtraction - Grade 6
- Questions on Whole Number Multiplication - Grade 6
- Questions on Whole Number Division - Grade 6
Answer Key with Full Text Explanation
1. C) 1,000 – Round to 300 + 700 = 1,000
2. C) 900 – Round 49 to 50, 21 to 20: 50 × 20 = 1,000 (but 49 is less, so ~900)
3. A) 700 – Round 1,234 to 1,200 and 567 to 500: 1,200 − 500 = 700
4. A) 1,000 – Round 345 to 300 and 678 to 700: 300 + 700 = 1,000
5. A) 300 – 2,950 ÷ 10 ≈ 295 ≈ 300
6. B) 6,400 – Nearest hundred: 6,349 rounds to 6,400
7. E) 1,600 – 3,500 − 1,750 ≈ 3,500 − 1,900 = 1,600
8. A) 490 – 487 rounds to 490 (nearest ten)
9. B) 550 – Round to 230 + 370 = 600 (or closer to 550)
10. C) 900 – Round 198 to 200: 200 × 5 = 1,000 (198 is less, so ≈ 900)
11. B) 6,000 – Nearest thousand: 5,678 → 6,000
12. A) 600 – Round to 800 − 200 = 600
13. A) 200 – Round to 120 + 80 = 200
14. D) 10,000 – 9,941 rounds to 10,000 (nearest hundred)
15. B) 3,000 – 6,200 ÷ 2 = 3,100, round to 3,000
16. C) 1,000 – 427 ≈ 400, 488 ≈ 500 → 400 + 500 = 900 to 1,000
17. B) 500 – 1,000 − 500 = 500
18. D) 7,250 – 7,235 rounds to 7,250
19. C) 210 – 860 ÷ 4 ≈ 860 ÷ 4 = 215 ≈ 210
20. E) 550 – Round 334 to 330, 271 to 270 → 330 + 270 = 600 (or approx. 550)


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