About this worksheet
This Grade 3 reading worksheet builds informational text skills. Students practise identifying the main idea and the details that support it.
Ready to print for whole-class lessons, small groups, homework or home learning.
USA · Grade 3 · ELA · RI.3.2
Main Idea & Supporting Details
Help Grade 3 students find the main idea and supporting details — free printable PDF with answer key.
Common Core aligned
Answer key included
Free printable PDF
What's Included
- Main idea practice
- Supporting details
- Short passages
- Teacher answer key
Skills Practiced
- Identifying main idea
- Finding supporting details
- Summarising key points
- Informational reading
Teacher / Parent Notes
Ask students to underline the main idea and number the supporting details. Discuss how details prove the main idea.
Common Core Connection
Supports CCSS RI.3.2 — Determine the main idea of a text; recount the key details and explain how they support the main idea.
Frequently Asked Questions
Is this free?
Yes. Download and print free for classroom and home use.
Is an answer key included?
Yes. The PDF includes a teacher answer key.
US Letter paper?
Yes. Use Fit to printable area. Also works on A4.