1. Even though they had a map, Adam and Dan still got lost.
Comma Splices
Commas need to be used to split up the main clause and subordinate clauses in your sentences.
Even though they had a map, Adam and Dan still got lost.
Subordinate Clause – doesn’t make sense on its own.
Main clause – makes sense on it own

2. This is a comma splice!
Both parts of the sentence are main ideas so you should not be using a comma to separate them.
Main clause – makes sense on its own.
The two boys didn’t know where they were, they found the map too confusing.
Main clause – makes sense on its own.
So what can you do instead?

3. Fixing Comma Splices
Use a full stop - The two boys didn’t know where they were. They found the map too confusing.
Use a connective - The two boys didn’t know where they were because they found the map too confusing.
Use a semicolon - The two boys didn’t know where they were; they found the map too confusing.

4. Are the following comma splices? If they are, you need to correct them.
Everybody wanted to go to the party, Katie was desperate for an invitation.
The wind was bitter, it made Luke shiver.
Although it had been hard work, he was proud of his achievement.
The dog ran through the puddle, he got completely covered in mud.
When we’ve finished the decorating, we can go get pizza.

5. The red ones are comma splices. How did you correct them?
Everybody wanted to go to the party, Katie was desperate for an invitation.
The wind was bitter, it made Luke shiver.
Although it had been hard work, he was proud of his achievement.
The dog ran through the puddle, he got completely covered in mud.
When we’ve finished the decorating, we can go get pizza.