Rounding off(四捨五入法)
  • 1. Round off 451 to the nearest ten.
A) 460
B) 480
C) 450
D) 500
  • 2. Round off 3,169 to the nearest ten.
A) 3,200
B) 3,100
C) 3,170
D) 3,160
  • 3. Round off 708 to the nearest ten.
A) 700
B) 800
C) 900
D) 710
  • 4. Round off 3 to the nearest ten.
A) 4
B) 10
C) 0
D) 100
  • 5. Round off 29,631 to the nearest hundred.
A) 29,600
B) 29,610
C) 29,700
D) 30,000
  • 6. Round off 6,309 to the nearest hundred.
A) 6,300
B) 6,400
C) 7,000
D) 6,310
  • 7. Round off 783 to the nearest hundred.
A) 1,000
B) 700
C) 800
D) 790
  • 8. Round off 7,203 to the nearest thousand.
A) 7,210
B) 8,000
C) 7,430
D) 7,000
  • 9. Round off 463 to the nearest ten .
A) 480
B) 1000
C) 460
D) 500
  • 10. Round off 463 to the nearest hundred.
A) 460
B) 500
C) 480
D) 453
  • 11. Round off 463 to the nearest thousand.
A) 1000
B) 500
C) 400
D) 0
  • 12. Round off 274.45 to the nearest integer.
A) 274
B) 273
C) 274.5
D) 275
E) 274.00
  • 13. Round off 228.89 to the nearest hundred.
A) 200
B) 300
C) 228.89
D) 2
  • 14. Round off 647.6235 to the nearest thousandth.
A) 1000
B) 700
C) 600
D) 547.624
E) 500
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