Uh-oh! Someone stole the cheese and it's up to your mathematician to help figure out who it was! Was it the guilty-looking dog, the indifferent-looking cat or the obvious suspect mouse? Your student will get to be the detective on the case as he or she skip counts by 10 using traceable lines on this free PDF worksheet to track down the culprit. They'll work on using skip-counting by 10 as a strategy, and they'll have fun solving the important case!