Prefixes worksheet for Grade 3 English students to practice using prefixes like un-, mis-, im-, re-, etc.

- unchief → unchief
- untrust → untrust
- disobey → disobey
- unwell → unwell
- repair → repair
- revise → revise
- inject → inject
- infect → infect
- disappear → disappear
- incorn → incorn
- misbehave → misbehave
- untidy → untidy
- impossible → impossible
- reduce → reduce
- please → please (Note: “please” doesn’t take a prefix from the word box — likely a typo or error in the worksheet; no valid prefix applies)
- inhale → inhale
- rewind → rewind
- disagree → disagree
- repel → repel
- profess → profess
- expert → expert