Spinner style. On slide 1 press the clock spinner. Use the or tool to write the time in the box. Spin until you have filled in all the boxes. Do not write the same time twice, re-spin if the same time appears twice. On slide 2 the puzzle pieces to their matching time. On slide 3: the elapsed minutes to the correct start and end clock. Press the green when you have finished.
The clock has 12 stops total. They only have to record 6. The possible times are: 12:15, 1:25, 2:40, 5:55, 8:00, 9:05, 10:20, 11:30, 7:55, 9:50, 1:35, 5:10.