What is the primary goal of a Main Idea question in CASAS Level D Reading?

• A. Identify the central point or overall message of the passage.
• B. List every detail mentioned.
• C. Infer the author’s attitude toward the topic.
• D. Determine the vocabulary meaning from context.

Answer: (A)

The main idea question is asking you to pinpoint the single central point or overall message the author is trying to convey. It’s about the big takeaway—the idea that everything in the passage supports—rather than any one detail or example. To find it, look for the main claim or thesis that ties the passage together, and notice ideas that are repeated or emphasized across sections. If you can sum up the passage in one or two sentences, you’ve found the main idea.

The correct answer is the best because it matches that central point precisely, capturing the essence of what the author wants you to understand from the entire passage, not just a supporting fact or a specific detail.

Details and examples are helpful, but they exist to illustrate the main idea, not to replace it. Inferring the author’s attitude toward the topic is about tone or stance, which is a different skill. Determining the meaning of a word from context is a vocabulary-in-context task. So those options don’t align with identifying the core message the passage conveys. If you practice summarizing the passage in a sentence or two, you’ll be well on track for these questions.