Recognize and use prefixes un- and re- with root words
Exercise
Difficulty 2
~3 min
eng.g2.s.ex_34
Prefix Identify Strip
Prompt
Strip the prefix and find the root. (1) unhappy. (2) redo. (3) unsafe. (4) rewrite. (5) uncle. (6) ready.
How it's presented
mode
structured form
Answer criteria
type
structured
correct
- root
- happy
- prefix
- un-
- root
- do
- prefix
- re-
- root
- safe
- prefix
- un-
- root
- write
- prefix
- re-
- root
- uncle
- prefix
- none
- root
- ready
- prefix
- none
Hints
- Apply the test: does NOT+root = the word's meaning?
- Uncle isn't NOT+cle.
Misconceptions to watch
- Strips 'un-' from uncle.
- Strips 're-' from ready.
Used in lessons