Problem
First name
Fin
School
Springvale Primary
Country
Age
8
We noticed that when you travelled 1000 km in, the only digit that changed was the thousands digit and it went down by one. We also tried the hundreds column. Lauceston was hard because it had a ten thousand column. When we did the hundreds Gothenburg was hard because the hundreds column was a zero so we had to use the thousands column too.
When we added the extra distance the same thing happened but the digit went up not down.