The DAV Class 3 Maths Solutions and DAV Class 3 Maths Chapter 6 Worksheet 4 Solutions of Day, Date and Time offer comprehensive answers to textbook questions.
DAV Class 3 Maths Ch 6 WS 4 Solutions
Question 1.
Convert into hours.
(a) 2 days
Solution:
2 days
= 2 × 24 hours
= 48 hours
(b) 8 days
Solution:
8 days = 8 × 24 hours
= 192 hours
(c) 30 days
Solution:
30 days = 30 × 24 hours
= 720 hours
(d) 1 week
Solution:
1 week = 1 × 7 days
= 7 × 24 hours
= 168 hours
(e) 12 days
Solution:
12 days = 12 × 24 hours
= 288 days
(f) 31 days
Solution:
31 days = 31 × 24 hours
= 744 hours
Question 2.
Convert into minutes.
(a) 6 hours
Solution:
6 hours
= 6 × 60 mins
= 360 mins.
(b) 9 hours
Solution:
9 hours
= 9 × 60 mins
= 540 mins
(c) 30 hours
Solution:
30 hours
= 30 × 60 mins
= 1800 mins.
(d) 22 hours
Solution:
22 hours
= 22 × 60 mins.
= 1320 mins.
(e) 7 hours
Solution:
7 hours
= 7 × 60 mins
= 420 mins
(f) 12 hours
Solution:
12 hours
= 12 × 60 mins
= 720 mins
Question 3.
Convert into minutes.
(a) 2 hours 15 minutes
Solution:
2 hours 15 minutes
= 2 × 60 + 15
= 120 + 15
= 35 minutes
(b) 1 hour 55 minutes
Solution:
1 hour 55 minutes
= 1 × 60 + 55
= 60 + 55
= 115 minutes
(c) 9 hours 15 minutes
Solution:
9 hours 5 minutes
= 9 × 60 + 5
= 540 + 5
= 545 minutes
(d) 16 hours 20 minutes
Solution:
16 hours 20 minutes
= 16 × 60 + 20
= 960 + 20
= 980 minutes
(e) 7 hours 40 minutes
Solution:
7 hours 40 minutes
= 7 × 60 + 40
= 420 + 40
= 460 minutes
(f) 12 hour 45 mintes
Solution:
12 hours 45 minutes
= 12 × 60 + 45
= 720 + 45
= 765 minutes
DAV Class 3 Maths Chapter 6 Worksheet 4 Notes
Conversions
1 day = 24 hours
1 hour = 60 minutes
We multiply the number of hours by 60.
3 hours = 3 × 60 = 180 min.
2 hours 30 minutes
= 2 × 60 + 30 minutes
= 120 + 30 minutes
= 150 minutes