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Rounding to the Nearest Ten or Hundred: Problems with Solutions
By Catalin David
Problem 1
Round the number 83 to the nearest ten
90
80
Solution:
If the last digit is 0,1,2,3 or 4 you will round to the previous ten. 80
Problem 2
Round the number 57 to the nearest ten.
57
60
Solution:
Af the last digit is 5,6,7,8 or 9 you will round to the next ten. 60
Problem 3
Round the number 98 to the nearest ten
100
90
Solution:
100
Problem 4
Round the number 143 to the nearest ten.
150
140
Solution:
Last digit is 3 < 5, then 143 is rounded to 140.
Problem 5
Round the number 648 to the nearest ten
650
640
Solution:
Last digit is 8 > 5 then 648 is rounded to 650
Problem 6
Round the number 875 to the nearest ten
870
880
Solution:
Last digit is 5, then 875 is rounded to 880
Problem 7
Round the number 898 to the nerest ten.
900
890
Solution:
Last digit is 8 > 5 then 898 is rounded to 900.
Problem 8
Round the number 324 to hundred
400
300
Solution:
if the tens digit is 0, 1, 2, 3 or 4 you will round to the previous hundred.Then 324 is rounded to 300.
Problem 9
Round the number 471 to the neares hundred
500
400
Solution:
If the tens digit of number is 5,6,7,8 or 9 you will round to the next hundred.Then 471 is rounded to 500
Problem 10
Round the number 549 to the nearest hundred
600
500
Solution:
Because the tens digit is 4 < 5 549 is rounded to 500.
Problem 11
Round the number 963 to the nearest hundred
1000
900
Solution:
The tens digit is 6 > 5, then 963 is rounded to 1000.
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