ROUND 1
3 hours + 5 hours = ___ hours
8 hours
70 minutes – 45 minutes = ___ minutes
25 minutes
2 hours + 3 hours – 4 hours = ___ hours
1 hour
3 days 15 hours + 4 days 10 hours
8 days 1 hour
9 days 4 hours – 3 days 8 hours
5 days 20 hours
2 hours 10 minutes + 1 hour 45 minutes = ___ hours ___ minutes
3 hours 55 minutes
6 hours 25 minutes – 2 hours 50 minutes = ___ hours ___ minutes
3 hours 35 minutes
2 hours 45 minutes + 1 hour 20 minutes – 3 hours 50 minutes = ___ hours ___ minutes
5 minutes
9 weeks 6 days + 9 days
11 weeks 1 day
5 weeks – 2 weeks 6 days
15 days
3 minutes 5 seconds + 2 minutes 45 seconds = ___ minutes ___ seconds
5 minutes 50 seconds
4 minutes 55 seconds – 2 minutes 30 seconds = ___ minutes ___ seconds
2 minute 25 seconds
5 minutes 5 seconds - 2 minutes 5 seconds + 1 minute 30 seconds = ___ minutes ___ seconds
4 minutes 30 seconds
29 months + 9 years 10 months + 6 years 4 months
18 years 7 months
7 years 1 month – 4 years 8 months
2 years 5 months
4 hours 20 minutes + 5 hours 50 minutes = ___ hours ___ minutes
10 hours 10 minutes
8 hours 20 minutes – 4 hours 55 minutes
3 hours 25 minutes
3 hours 25 minutes + 2 hours 40 minutes – 1 hour 50 minutes = ___ hours ___ minutes
4 hours 15 minutes
8 decades 7 years + 23 years
11 decades 0 years
10 centuries 27 years – 68 years – 3 centuries 19 years
6 centuries 40 years
50 minutes 40 seconds + 55 minutes 30 seconds = ___ minutes ___ seconds
106 minutes 10 seconds
45 minutes 10 seconds – 28 minutes 50 seconds
16 minutes 20 seconds
50 minutes 25 seconds – 35 minutes 40 seconds + 25 minutes 50 seconds = ___ minutes ___ seconds
40 minutes 35 seconds
4 centuries + 32 years + 1 century 5 years
5 centuries 37 years
13 decades 4 years – 9 years – 2 decades 7 years
9 decades 8 years