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