Reading Comprehension Worksheets - Free Printable

Final Answer:
C. Anna and Tom helped Grandma carry a heavy bag of groceries.

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Explanation:
The main idea is the most important point of the whole story — what the story is mostly about.

Let’s look at the choices:

A. “Anna and Tom went to Grandma’s house for the weekend.”
→ That’s true, but it’s just background. It’s not the main point.

B. “Grandma made chocolate chip cookies.”
→ That happened, but only at the end as a thank-you. Not the main event.

C. “Anna and Tom helped Grandma carry a heavy bag of groceries.”
→ Yes! The story spends most of its time describing how Grandma was struggling, and how Anna and Tom stepped in to help. That’s the key action and the heart of the story.

D. “The bag of groceries was heavy.”
→ That’s a detail, not the main idea.

So the best answer is C.

Now, for the supporting details:
- One box: *They noticed Grandma struggling to carry a heavy bag of groceries into the house.*
- Other box: *They took the heavy bag from Grandma and carried it to the kitchen.*

These two sentences show *how* Anna and Tom helped — which supports the main idea (choice C).