Page 141 - New Medley 4 Semester 1
P. 141
EXERCISE 2.8
A. Estimate the difference by rounding to the nearest tens.
1. 82796 – 57402
2. 464561 – 121475
3. A book exhibition was held in the city. 58741 people visited an exhibition
on the first day and 39528 people visited it on the second day. Estimate
how many people more visited the exhibition on the first day than on
the second day by rounding to the nearest tens.
B. Estimate the difference by rounding to the nearest hundreds.
1. 50862 – 30777
2. 650491 – 441007
3. Mohan has a collection of 27487 coins. His brother has a collection of
14227 coins. Estimate the number of coins Mohan has more than his
brother by rounding to the nearest hundreds.
C. Estimate the difference by rounding to the nearest thousands.
1. 81606 – 77298
2. 777826 – 177204
3. A shopping mall recorded 60888 footfalls in a week. Of these 28079
footfalls were recorded in the last two days of the week. Estimate the
number of footfalls in the first five days of the week by rounding to
the nearest thousands.
D. Estimate the difference by rounding to the nearest ten thousands.
1. 83706 – 74298
2. 555226 – 242104
3. A fun park had 90148 visitors in a month. Of these 56921 visitors visited
on Saturdays and Sundays. Estimate the number of visitors who visited
the fun park in the first five days of the week by rounding to nearest
ten thousands.
E. Estimate the difference by rounding to the nearest lakhs.
1. 654228 – 249872
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