5 days 20 hours = _____ hours.

9 min 50 sec = ____ sec.

217 second = ____ minutes _____ seconds.

In a clock the number of divisions from one number to the next number is:

1 day = _________ minutes.

1 day = _____ hours.

____ years = 1 century

38 days = ____ weeks and ___ days.

How many years are in a decade ?

3 quarters of an hour =