The DAV Maths Book Class 5 Solutions and DAV Class 5 Maths Chapter 9 Worksheet 3 Solutions of Rounding Numbers offer comprehensive answers to textbook questions.
DAV Class 5 Maths Ch 9 Worksheet 3 Solutions
Question 1.
Round off the following numbers to the nearest ten thousand.
(a) 63,525
Solution:
63,525 → 60,000
(b) 88,653
Solution:
88,653 → 90,000
(c) 77,777
Solution:
77,777 → 80,000
(d) 21,987
Solution:
21,987 → 20,000
(e) 59,720
Solution:
59,720 → 60,000
(f) 96,875
Solution:
96,875 → 1,00,000
Question 2.
Round off the following numbers to the nearest lakh.
(a) 1,56,758
Solution:
1,56,758 → 2,00,000
(b) 3,08,156
Solution:
3,08,156 → 3,00,000
(c) 5,99,999
Solution:
5,99,999 → 6,00,000
(d) 7,38,150
Solution:
7,38,150 → 7,00,000
(e) 53,86,279
Solution:
53,86,279 → 54,00,000
(f) 9,98,356
Solution:
9,98,356 → 10,00,000
DAV Class 5 Maths Chapter 9 Worksheet 3 Notes
Rounding off to the nearest ten thousand (10,000) and lakh (1,00,000).
In order to round off numbers to the nearest ten thousand, look at the digit in the thousands place.
Example.
Round off the given numbers to the nearest ten thousand.
45,277, 80,123, 75,000
Solution:
45,277 → 50,000
80,123 → 80,000
75,000 → 80,000
In order to round off numbers to the nearest lakh, look at the digit in the ten thousand places.
Example.
Round off the given numbers to the nearest lakh.
2,56,140, 8,45,320, 9,56,325
Solution:
2,56,140 → 3,00,000
8,45,320 → 8,00,000
9,56,325 → 10,00,000