Informative Topic Sentences

Answer Key - Grade 3 Writing Worksheet - Challenge Me

Circle the answer, or write your answer on the lines.

1. 1.

   Facts: Buses have stop arms that swing out. Flashing red lights warn drivers to stop. Bus seats have high, padded backs. Which topic sentence fits best?

   • School buses have many features that keep riders safe.
   • School buses should have seat belts too.
   • Buses, cars, and trains all help people travel.
   • Flashing red lights warn drivers to stop.
2. 2.

   Facts: Ben Franklin printed a newspaper. He invented a new kind of glasses. He helped write the Declaration of Independence. Which topic sentence covers all three?

   • Ben Franklin was a famous inventor.
   • Ben Franklin helped start the United States.
   • Ben Franklin was a printer, an inventor, and a leader.
   • Ben Franklin printed books and newspapers.
3. 3.

   Title: "Why Leaves Change Color." Which topic sentence matches the title?

   • In fall, leaves change color as trees get ready for winter.
   • Maple leaves can turn bright red.
   • Fall is the most beautiful season.
   • Trees give us shade and fresh air.
4. 4.

   Which topic sentence is too broad for a short paragraph about how spiders build webs?

   • Some spider silk is very sticky.
   • Spiders spin webs in a few careful steps.
   • Animals build many kinds of homes.
   • Spider webs look beautiful in the morning.
5. 5.

   Read the facts. Write a topic sentence that is not too broad or too narrow, and a closing sentence. Facts: The first bicycles had no pedals. Later bikes had a giant front wheel. Today's bikes have gears and brakes.

   Topic sentence

   Closing sentence

   the topic sentence is about how bicycles changed over time; the closing sentence wraps up the same idea.