Today in the collaboratory E & V decided to time how long it took them to complete the obstacle course. "We want to see how fast we can do it!" "Can you count for us?" "Maybe we can use a timer!" We pulled out the iPad and after a quick tutorial on how to access the stopwatch, E & V were off timing themselves on how fast they could race through the course. After a few laps the girls were asking if I remembered each number from each trial... sadly, I did not. "Maybe we can write the numbers down. Then we will remember how fast we are going." "Look the 9 is smaller than this number [13]. We went so fast that time!" "If the number is smaller, does that mean we went faster?" "I think if it's bigger it means we went fast." "I don't really know which one is faster." This was a bit confusing. The two girls seemed to understand that in most games if you ...