1.   How many hours did we play volleyball?
   
    A. 2 hours B. 3 hours
    C. 1 hour D. 4 hours
    Hint

  2.   How many hours did we play at the park?
   
    A. 5 hours B. 8 hours
    C. 4 hours D. 10 hours
    Hint

  3.   How many hours did we plant flowers?
   
    A. 3 hours B. 17 hours
    C. 10 hours D. 4 hours
    Hint

  4.   Mark's class left for a field trip at 11:00 and got back at 4:00. How long was the field trip?
    A. 6 hours B. 15 hours
    C. 5 hours D. 7 hours
    Hint

  5.   If the swimming pool opens at 11:00 and closes at 7:00, how many hours can you swim?
    A. 8 hours B. 4 hours
    C. 18 hours D. 9 hours
    Hint