 A simple sentence is a complete thought. It has a subject and a predicate.  The yellow pencil is very sharp.

 Sometimes there are compound parts to the simple sentence.  The yellow pencil is very sharp and could hurt you.  The yellow pencil and the orange pencil are very sharp.

 A compound sentence is one or more simple sentences joined together with proper punctuation.  The yellow pencil is sharp, and I will use it to write my paper.  (If you ignore the conjunction, you’ll see two simple sentences that would be strong enough to stand on their own.)

 Can you find two complete thoughts by covering up parts of the sentence? If so, it is a compound sentence!  Draw arrows to show connections between predicates and subjects.  Try out some samples on the next slide…..

 Prehistoric people built forts, and they created burial mounds.  Prehistoric people built forts and created burial mounds.

 Prehistoric people built forts, and they created burial mounds. Compound Sentence  Prehistoric people built forts and created burial mounds. Simple Sentence

 Great Serpent Mound in Ohio is curved and is 1,254 feet long.  Once thousands of mounds existed; now many are gone.

 Great Serpent Mound in Ohio is curved and is 1,254 feet long. simple  Once thousands of mounds existed; now many are gone. compound

 Play fair. › Simple  Smile and be happy. › Compound