Use Prefixes and Suffixes
Grade 1 Reading Worksheet - Building Confidence

Circle the answer.
What does unhappy mean?
- very happy
- happy again
- not happy
In unkind, what does un- mean?
- not
- without
- again
Which word means "do again"?
- unkind
- unhappy
- redo
Which word has the prefix re-?
- retell
- unsafe
- unfair
What is the base word in refill?
- fill
- fil
- refill
Which word fits the sentence? It is ___ when someone cuts in line.
- refair
- fair
- unfair
What does unfair mean?
- fair again
- very fair
- not fair
Add re- to the front of do. What new word do you make?
- dos
- redo
- do
Read: It is unsafe to run across a busy street. What does unsafe mean here?
- not safe
- very safe
- safe again
Which word fits the sentence? It is ___ to run across a busy street.
- resafe
- safe
- unsafe