I created a quick images slide show. The slides are set at 1 second, except for the thinking and explaining slides, which are 5 seconds. You can view at your own pace, or press the slide show button to have the activity be automatic.
Each twenty frame is displayed for 1 second. A blank page is displayed for 1 second. The twenty frame is shown again for a second time for 1 second. The question page appears for 5 seconds. The answer slide appears for 1 second.
I used 10-20 twice in random order.
This is a great resource for kindergarten math. I plan to use this with the Investigations curriculum, but it could be used with all math programs.