Final answer:
The statement that has features typical of the self-descriptions of 8- to 11-year-olds is: "I'm smart in certain subjects like math and science."
Step-by-step explanation:
The statement that has features typical of the self-descriptions of 8- to 11-year-olds is: "I'm smart in certain subjects like math and science." During this age range, children begin to compare themselves to their peers and develop a sense of pride and accomplishment in areas where they excel. Recognizing their own strengths and weaknesses becomes important at this stage of development.