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1. Round off 1112 to the nearest 1000.
2. Round off 110 to the nearest 100.
3. A number has 9, 0, and 9 as its digits. Rounding off the number
to the nearest 100 gives 900. Find the number.
4. Roger rounded a whole number to the nearest ten thousand
and got 320,000. What is the smallest possible value for that
number?
5. Which number comes in halfway between 14,600 and 14,700?
6. Round off 8800 to the nearest 1,000.
Rounding Worksheet 4, 4
th
GRADE
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7. Match the following numbers with their estimated rounded off
values:
Number
Estimated Round-off
1. 2548
a) 2600
2. 2668
b) 2500
3. 2552
c) 2670
8. A number has 1, 6, and 9 as its digits. Rounding off the number
to the nearest 10 gives 200. Find the largest possible number
9. A whole number 860 is rounded to the nearest 100. Find out
the result.
10. On rounding the number 4,67 to the nearest hundred, the
result we get is 4,400. What is the largest possible value for the
missing digit?
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1. 1,000
2. 100
3. 909
4. 315,000
5. 14,650
6. 9000
7.
1: b
2 : c
3 : a
8. 196
9. 900
10. 4,367
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1. On rounding off 1,112 to the nearest 1,000, we will get 1,000 as it
will be the closest multiple of 1,000 to 1,112.
2. On rounding off 110 to the nearest 100, we will get 100 as it will
be the closest multiple of 100 to 110.
3. 909 on rounding off to nearest 100 will give 900.
4. On rounding off 315,000 to the nearest 1000, we will get 320,000
hence it will be the smallest possible number.
5. 14,650 comes in the exact center of 14,600 and 14,700.
6. On rounding off 835 to the nearest 100, we will get 800 as will be
the closest multiple of 100 to 835.
7.
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8. On rounding off 196 to the nearest 100, we will get 200 as 196 is
between 100 and 200 but it’s closer to 200.
9. On rounding off 860 to the nearest 100, we will get 900 as it will
be the closest multiple of 100 to 860.
10. 4367 is between 4300 and 4400. On rounding off 4,367 to the
nearest 100, we will get 4,400 as its nearer to the given number.
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1. The wavy equal sign was introduced by
Alfred George, which is sometimes
used to denote rounding off.
2. The approximate length of month and
year was calculated even in ancient
times.
3. In ancient times, the rounding off
concept came way before than division
concept.