4th Grade Spelling - List 21
Extension Activity 21.5
A base word can have a prefix and a suffix added.
Prefix
re–
un–
mis–
Base Word
+
+
+
cycle
happy
place
Suffix
Derivative
+ –ing
+ –ness
+ –ed
=
=
=
recycling
unhappiness
misplaced
Directions: Write the derivative by adding the prefix & suffix to the given base word.
Note: When adding a suffix, watch for all the Derivative Rules you have learned.
Prefix
Base Word
Suffix
Derivative
un—
+
tidy
+
—er
=
untidier
un—
+
lock
+
—ed
=
1.
re—
+
consider
+
—ed
=
2.
re—
+
bound
+
—s
=
3.
un—
+
zip
+
—ed
=
4.
mis—
+
handle
+
—ed
=
5.
re—
+
cover
+
—ing
=
6.
mis—
+
use
+
—ing
=
7.
un—
+
friend
+
—ly
=
8.
re—
+
wrap
+
—ed
=
9.
un—
+
happy
+
—ness
=
10.
Write the derivatives from List 12 that have a prefix and a suffix added to the base word.