Informative Topic Sentences

Answer Key - Grade 2 Writing Worksheet

Read the facts. Write a topic sentence that tells the main idea.

1. 1.

   Rain fills lakes and rivers. Rain gives plants water. Rain washes the dust from the air.

   Topic sentence

   one complete sentence that names the main idea all three facts share and does not copy a single fact. For example: Rain is useful.

2. 2.

   Trees give us shade. Trees give us wood and fruit. Trees give animals a home.

   Topic sentence

   one complete sentence that names the main idea all three facts share and does not copy a single fact. For example: Trees are important.

3. 3.

   An elephant can weigh as much as a truck. It uses its trunk to eat and drink. It has large ears to stay cool.

   Topic sentence

   one complete sentence that names the main idea all three facts share and does not copy a single fact. For example: Elephants are the largest land animals.

4. 4.

   The teacher helps us learn. The cook makes our lunch. The custodian keeps the school clean.

   Topic sentence

   one complete sentence that names the main idea all three facts share and does not copy a single fact. For example: Our school has helpful workers.

5. 5.

   Some dogs guide people who cannot see. Some dogs help farmers with their sheep. Many dogs are loving pets.

   Topic sentence

   one complete sentence that names the main idea all three facts share and does not copy a single fact. For example: Dogs are helpful animals.