Use Prefixes and Suffixes
Grade 1 Reading Worksheet

Circle the answer.
What does unlucky mean?
- not lucky
- very lucky
- full of lucky
- lucky again
In unclear, what does un- mean?
- without
- full of
- not
- again
Which word means "full of help"?
- unlucky
- helpful
- reuse
- careless
Which word has the ending -ful?
- joyful
- reheat
- helpless
- unclear
What is the base word in careless?
- careless
- car
- less
- care
Which word fits the sentence? It was ___ to leave the gate open.
- careless
- care
- careful
What does reheat mean?
- not heat
- heat first
- heat again
- without heat
Add -ful to the end of help. What new word do you make?
- help
- helps
- helpless
- helpful
Read: Be careful with the hot soup. What does careful mean here?
- full of care
- not care
- care again
- without care
Which word fits the sentence? The baby bird was ___ without its mother.
- helpful
- helpless
- help