The DAV Maths Book Class 5 Solutions and DAV Class 5 Maths Chapter 9 Worksheet 6 Solutions of Rounding Numbers offer comprehensive answers to textbook questions.
DAV Class 5 Maths Ch 9 Worksheet 6 Solutions
Question 1.
Round off the following decimal numbers to the nearest tenth.
(a) 7.14
Solution:
7.14 → 7.10
(b) 4.58
Solution:
4.58 → 4.60
(c) 10.05
Solution:
10.05 → 10.10
(d) 19.96
Solution:
19.96 → 20.00
(e) 0.95
Solution:
0.95 → 1.00
(f) 89.76
Solution:
89.76 → 89.80
(g) 72.84
Solution:
72.84 → 72.80
(h) 5.94
Solution:
5.94 → 5.90
Question 2.
Round off the following decimal numbers to the nearest hundredth.
(a) 7.125
Solution:
7.125 → 7130
(b) 3.986
Solution:
3.986 → 3.990
(c) 4.014
Solution:
4.014 → 4.010
(d) 17.006
Solution:
17.006 → 17.010
(e) 2.999
Solution:
2.999 → 3.000
(f) 17.891
Solution:
17.891 → 17.890
(g) 9.786
Solution:
9.786 → 9.790
(h) 4.567
Solution:
4.567 → 4.570
DAV Class 5 Maths Chapter 9 Worksheet 6 Notes
Rounding off to the nearest tenth and hundredth
In order to round off decimal numbers to the nearest tenth, look at the digit in the hundredths place.
Example 1.
Round off the given decimals to the nearest tenth.
3.23, 9.88, 13.85, 26.30
Solution:
3.23 → 3.20
9.88 → 9.90
13.85 → 13.90
26.30 → 26.30
In order to round off decimal numbers to the nearest hundredth, look at the digit in the thousandths place.
Example 2.
Round off the given decimals to the nearest hundredth.
8.132, 0.789, 8.899, 12.485
Solution:
8.132 → 8.130
0.789 → 0.790
8.899 → 8.900
12.485 → 12.490