QUESTION: What is "evidence" of the main idea?
ANSWER: Standardized tests often ask students to identify evidence for a particular main idea. To teach students how to do this, first clarify three key terms.
The headline is a main-idea sentence as it's what the passage is mostly about. Read aloud the article, pausing to highlight any reference to the panda, cub, ready, public, and debut (all the words from the headline). Any time one of those words--or a synonym--pops up, highlight it.