Understanding the Prefix 'Un-'

Understanding the Prefix 'Un-'

Read each question carefully and follow the instructions. This worksheet will help you understand the prefix 'un-' and how it changes the meaning of words.

Read the passage below about a very unusual day. Pay attention to words that start with 'un-'.

It was an unusual morning. The sun refused to rise, leaving the sky unfriendly and dark. My usually happy dog, Buster, was unhappy and wouldn't stop barking at the unopened door. I felt unlucky, as if nothing would go right. My shoelaces were untied, and my favorite shirt was unwashed. It was an unbelievable mess! I just wanted to undo the whole day and start again.

1. What does the prefix 'un-' usually mean?

2. In the passage, what does 'unfriendly' mean?

Complete each sentence by adding the prefix 'un-' to the word in parentheses. Make sure the new word makes sense.

3. The box was  , so I couldn't see what was inside. (open)

4. I was   about the surprise party. (sure)

5. It is   to swim right after eating. (safe)

Match each word with 'un-' to its meaning.

9. Choose one word from the passage that starts with 'un-'. Write the word and then explain how the prefix 'un-' changes its meaning.

10. Write a sentence using a word that starts with 'un-' that was NOT in the passage. Underline the word.

Use the words from the word bank to complete the sentences below.

11. Please help me   this map so we can see the whole route.

12. I need to   my jacket because it's getting warm.

13. We will   the treasure chest to see what's inside.

14. It's hard to   the tiny buttons on this shirt.