Open for improvements. Thanks God bless us all.

3. 1. recognize the different units of time
measure
2. convert time measure to another unit

5. is a in which events can be
ordered from the
, and also the
measure of durations of events and the
intervals between them.

8. Year Months Weeks Days Hours Minutes Seconds

9. 1 minute 60 seconds
1 hour 60 minutes
1 day 24 hours
1 week 7 days
1 fortnight 14 days
1 month 28, 29, 30, or 31 days
1 year 12 months
1 year 365 days
1 leap year 366 days

10. Example 1:
Convert the measurement to the indicated unit.
a. 15 days = hours
15 𝑑𝑎𝑦𝑠
=
1 𝑑𝑎𝑦
24 ℎ𝑜𝑢𝑟𝑠
1
15 𝑑𝑎𝑦𝑠 =
=
360 ℎ𝑜𝑢𝑟𝑠
1
= 360 ℎ𝑜𝑢𝑟𝑠

11. Example 1:
Convert the measurement to the indicated unit.
a. 15 days = hours
15 𝑑𝑎𝑦𝑠
=
1 𝑑𝑎𝑦
24 ℎ𝑜𝑢𝑟𝑠
1
15 𝑑𝑎𝑦𝑠 =
=
360 ℎ𝑜𝑢𝑟𝑠
1
= 360 ℎ𝑜𝑢𝑟𝑠
360

12. Example 2:
Convert the measurement to the indicated unit.
b. 8 hr. = min.
8 ℎ𝑟.
=
1 ℎ𝑟.
60 𝑚𝑖𝑛.
1
8 ℎ𝑟. =
=
480 𝑚𝑖𝑛.
1
= 480 𝑚𝑖𝑛.

13. Example 2:
Convert the measurement to the indicated unit.
b. 8 hr. = min.
8 ℎ𝑟.
=
1 ℎ𝑟.
60 𝑚𝑖𝑛.
1
8 ℎ𝑟. =
=
480 𝑚𝑖𝑛.
1
= 480 𝑚𝑖𝑛.
480

14. question
s?

15. Example 3:
Convert the measurement to the indicated unit.
c. 24 min. = sec.
d. 7200 min. = day/s
e. 3600 s. = day/s
5
1440
1
24

16. question
s?

17. Add to find the sum.
a. 5 hr. 38 min. and 3 hr. 49 min.
b. 4 hr. 40 min. and 6 hr. 26 min.
c. 5 hr. 49 min. 22 s. and 7 hr. 23 min. 38 s.

18. question
s?

19. Find the difference of:
a. 5 hr. 30 min. and 3 hr. 43 min.
b. 5 hr. 21 min and 2 hr. 37 min.
c. 6 hr. 25 min 28 s. and 3 hr. 53 min. 39 s.