My oh my!
What is a topic sentence?


Don't worry!
I know what a
topic sentence is!

topic sentence tells you what a paragraph is about. It is the most important sentence in a paragraph.

It contains the main idea of a paragraph.

The main idea will tell you what the rest
of the sentences (
details) in a paragraph are about.



There's more to know about a
topic sentence.

A topic sentence tells who or what the paragraph is about.


topic sentence also tells what is happening!

It is usually the first sentence of a paragraph.



Let's look at a short paragraph.

     I had a great time at my friend's birthday party! First we played some games. I won three prizes. We had cake and ice cream next. That was my favorite! After eating we watched my friend open presents. Finally, it was time to go home. I can't wait to go to another party!

topic sentence that tells the main idea is ...
I had a great time at my friend's birthday party
The other sentences are
details about this main idea.


To find the topic sentence ask yourself,
"What is the
paragraph about?"

If you can answer that question you will be able to find the topic sentence, which will give you the main idea of the paragraph.




See if you can pick the topic sentence out of this short paragraph.

     My dog is playful. He loves to run in the yard. When I throw sticks, he fetches them. On trips to the beach he always jumps in the water. Trouble is a very playful dog.

Ask yourself,
"What is this paragraph about?" 



To practice what you've learned, click on the cat.




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 Elementary Test Prep Center