Expository Writing Prompts for 3rd Grade: 43 Great Ideas

Assess how well your third graders explain or define something using these fun expository writing prompts for 3rd grade.

Whether explaining the steps to a recipe or describing how to do something, these expository writing prompts for 3rd grade encourage third graders to show what they know!

So pencil a few of these third grade expository writing prompts into your lesson plan today.

Expository Writing Prompts for 3rd Grade Students

Even reluctant writers enjoy responding to these expository writing prompts for 3rd grade.

1. Explain how to ride a bike.

2. Describe how to appropriately resolve a conflict with a sibling.

3. Explain the reasons why people should avoid junk food.

4. Think of a person that you admire a lot. Explain why he or she is so special to you.

5. Explain to your teacher why you deserve to pass to the next grade level.

6. Think about the strategies that good readers implement as they read. Describe them.

7. Describe the benefits of having a cat as a pet.

8. Explain the benefits of keeping one’s desk organized.

9. Think about what you imagine the world will be like in 100 years. Describe it.

10. Imagine you are speaking to a child younger than you. Explain to him/her why we need rules in school.

11. Explain the importance of asking the teacher for help when you don’t understand something.

12. Define what it means to be popular.

13. Explain to the principal at least two improvements needed in the school in order to make learning better for kids.

14. Describe the benefits of owning a dog.

15. Explain what characteristics make a good friend.

16. Define what makes a good teacher.

17. Describe the elements of a great piece of writing.

18. Explain three to five ways to show kindness to others.

19. Define what it means to put forth your best effort.

20. Explain a few key strategies for resolving conflict between a friend or sibling.

More Expository Writing Prompts for 3rd Grade

21. Describe at least three things that bring you joy.

22. Explain how working in a group is good for learning.

23. Define love.

24. Explain how a whiteboard makes teaching easier for the teacher.

25. Describe what it may feel like to someone who is being laughed at for doing something embarrassing.

26. Explain the consequences of being late for school too many times.

27. Define a best friend.

28. Explain the benefits of consistently using an anchor chart for learning.

29. Describe at least three ways to be helpful to your family at home.

30. Explain how responding to third grade expository writing prompts helps you improve your writing skills.

31. Write about what you think the world will be like in 100 years.

32. Share something new you learned in school this week. How does this new knowledge help you in life?

33. Explain your favorite type of music.

34. Write two expository writing prompts for 3rd grade you think your teacher might like.

35. If someone was new to your town, what sights, highlights would you encourage them to see?

36. What makes a good friend?

37. Without giving names, explain why one teacher is/was so special to you.

38. If you could change one thing about your school, what would it be and why?

39. Explain why people get mad with others.

40. Define the differences between mammals and amphibians or any other two groups of animals.

41. Share one current issue in the world. Explain how the problem can be solved.

42. Describe the benefits of healthy eating and exercise on a daily basis.

43. Tell about your favorite game or sport.

44. If you could choose any animal as class pet, which would you choose and why.

Now you have a collection of quality expository writing prompts for 3rd grade to use during writer’s workshop or as early finisher activities.

For support, teach students how to respond well to these expository writing prompts for 3rd grade.

Like these expository writing prompts for 3rd grade? If so, you’ll lovepersuasive writing prompts for third graders