Intro Lesson UN

14

​un-

​

Prefix:A prefix is an element that is ‘fixed’ before a base.

unhelpful

1

PREFIX

BASE/
ROOT

SUFFIX

Suffix:A suffix is an element that is ‘fixed’ after a base.

Base/Root:A base, sometimes referred to as a “root”,
carries the main meaning of the word. It can stand on its own as a
word, or have suffixes, prefixes or other bases attached to it.

Prefix: un-

PREFIX

MEANING

KEY WORDS

un-

not or opposite

unhappy, unearth

5

Drag and Drop

un-​ means ​

Placeholder

Drag these tiles and drop them in the correct blank above

not or undo

unhappy

university

do something

Prefix: un-

Did you know?

●un- is an Old English prefix that means ‘not’ or ‘opposite of’

●un- is the most commonly used prefix in English

un + happy→ unhappy

The class was unhappy that the field trip was cancelled.

un + earth→ unearth

They were ready to unearth the buried treasure.

not

feeling lighthearted

not

dirt

3

Word Cloud

Think of words with the prefix UN.

Match

Match the following.

• un

• unhappy

• unearth

• unwrap

• unrest

not or opposite

not happy

undo, take out of the earth

undo wrapping paper

not at rest

• not or opposite

• not happy

• undo, take out of the earth

• undo wrapping paper

• not at rest

Categorize

Options (8)

unbind

unchain

unlearn

unknown

unpaid

unstick

unsound

unable

Using the word bank below, group the words
together that share the un- meaning ‘not’ or
‘opposite of’. Group the words together that share
the un- meaning to ‘undo’ or ‘reverse’.

UN (not)

UN (undo or reverse)

​Read and highlight words with the prefix UN.

Multiple Choice

Why was Josh unable to sleep on Thursday night?

• He wanted a cheeseburger.

• He was excited for school the next day.

• He was excited for the big basketball game.