1
Start at 9:00. Subtract 90 minutes. What time is it? =
2
Start at 6:45. Subtract 30 minutes. What time is it? =
3
Start at 6:00. Subtract 90 minutes. What time is it? =
4
Start at 5:15. Add 60 minutes. What time is it? =
5
Start at 12:30. Subtract 45 minutes. What time is it? =
6
Start at 1:00. Add 75 minutes. What time is it? =
7
Start at 12:00. Add 75 minutes. What time is it? =
8
Start at 6:30. Subtract 45 minutes. What time is it? =
9
Start at 6:15. Add 90 minutes. What time is it? =
10
Start at 1:30. Subtract 45 minutes. What time is it? =
11
Start at 3:00. Add 30 minutes. What time is it? =
12
Start at 11:45. Subtract 90 minutes. What time is it? =
13
Start at 10:45. Subtract 15 minutes. What time is it? =
14
Start at 11:15. Subtract 45 minutes. What time is it? =
15
Start at 12:30. Subtract 15 minutes. What time is it? =
16
Start at 8:00. Subtract 75 minutes. What time is it? =
17
Start at 1:30. Add 90 minutes. What time is it? =
18
Start at 11:00. Subtract 30 minutes. What time is it? =
19
Start at 6:30. Subtract 45 minutes. What time is it? =
20
Start at 12:15. Subtract 30 minutes. What time is it? =