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