In the beginning of this chapter we learned that the kids think that Atticus does not know how to do anything. Miss Maudie claimed that he was the best checker player in the town. Atticus gave the kids air-riffles but he refused to teach them how to shoot. Therefore Uncle Jack instructed them. Atticus told Jem he should shoot the tin cans in the backyard, but he knew that Jem would go for the birds. Atticus said he could shoot all the blue jays he wanted but to remember that it was a sin to kill a mockingbird. Hence the title of the book. Then one Saturday, Jem and Scout saw Tim Johnson, the towns' pet, walking down the street. They told Cal about the dog and she said, "I can't wrap up any dogs foot right now. There is some gauze in the bathroom, go get it and do it yourself.” When Jem finally managed to get Cal outside and she saw the dog she told the kids to get in the house. Calpurnia warned the neighborhood about the mad dog. As she ran home Mr. Heck Tate (the sheriff) and Atticus arrived. The sheriff and Atticus walked towards the street and waited for the mad dog to slowly approach. When the dog was in shooting range the sheriff handed Atticus the rifle and told him to shoot the dog. Atticus shot the dog in only one shot. After the dog was dead the kids found out that their fathers nickname was Ol' One-shot.
The lesson the author wanted us to learn from this story was that don't judge someone before you know the full story. Some examples of this are when Jem and Scout realize that their father is good at a lot of things. He is good at checkers, and we learned from this chapter he has a hidden talent when it comes to shooting a rifle. Some things are just best kept secret. Atticus thought he had an advantage over the animals so he put his gun down. It was a god given talent and not something he had practiced at to get better. The reason we picked Chapter 10 was because it would teach kids not to judge people on what they can see and have heard.