Haymitch tells Katniss that Peeta has asked to be trained separately. This is important because Katniss feels like Peeta is betraying her and probably will go for her first in the Games. This is also important because Katniss has probably lost her only ally in the games.
Katniss spots another dandelion on the way to the training centre. This is significant because she knows that there is still hope to win the games. Also she starts to wave at the citizens of The Capitol. she thinks that her actions on the train will reflect on her chances at winning the games
Don't leave Katniss!
I volunteer as tribute!
After the death of Katniss' father's death, Katniss had to put her name in more for tessarae. This is important because she feels like this is necessary to keep her family together. Katniss also will need to power through her loss of her father in order to keep her family in order
Thank you for your concideration.
After the death of her father, Katniss had to take over the role of the head of the house due to her mother still being in shock. This is important because Katniss shows that she is able to care for her sister while her mother is trying to recover. Katniss also has to show her ability to lead others in finding a way to feed her mother, Prim and herself without being taken away from her mother.
Katniss volunteered for her sister in order to save her and make sure she doesn't die in the games. This is important because Katniss showed that she is not afraid of whats going to happen to her, but whats going to happen to Prim. This also shows that Katniss has valor in her actions in saving Prim from entering the games.
Katniss shoots the pig during her private session with the gamesmakers and potential sponsors. This is important because she is fearless in her actions and doing something that she normal wouldn't do. This could also mean that because she basically threatened the gamesmakers, her family could be tortured back in District 12. Also her score in her private test could be lower due to her actions