1. International School
Cartagena
CLASE
Versión 00-12 Código FO-DC-01 Página 1 de 3
Área: English Asignatura: English Curso: 11th
Fecha: 29 to 03 -05 Periodo: II Nº Hor: 6hr Semana: 3
Tema: Prefixes and suffixes
Indicador Students will be able to use identify and understand how to use prefixes
de Logro and suffixes
Exploración How do these word change in meaning?
Contextualización
Conceptualización
Prefixes & suffixes
Prefixes
Prefixs are added to the beginning of a word to make a new word, eg mis+take.
Some common prefixes are 'mis', 'dis', 're', 'for', 'anti', 'ante', 'sub', 'un' and 'in'.
New words are made by placing a prefix in front of a word. It is helpful to know
the meanings of prefixes. Prefix 're' means again, therefore reappear means to
appear again.
Suffixes
Letters added to the end of a main word are called suffixes. Common suffixes
EMOCIÓN
are: 'ed', 'ful', 'ly', 'ing', 'able', 'ance', 'ence', 'ness'.

2. International School
Cartagena
CLASE
Versión 00-12 Código FO-DC-01 Página 2 de 3
Producción
Common prefix meanings
pre - before
mis - bad(ly)
sub - under
inter - between
semi - half
The following prefixes of 'im', 'ir', 'il', 'in' and 'un' can be added to the beginning
of words to make them into a negative.
Examples
im + possible = impossible
ir + responsible = irresponsible
il + legal = illegal
in + active = inactive
un + happy = unhappy
Suffix
Example
harm + less = harmless
When 'full' is added to a word you drop the final 'l'. If you add 'ly' to any word
ending with 'ful' you keep the existing 'l'.
Example
hand + full = handful
rest + full = restful
restful + ly = restfully
Modelación
SELECT THE CORRECT WORD, JUSTIFY YOUR ANSWERS
1. APPEALLING – APPEALING
EXPLANATION: doubling the last consonant in a single syllable with words
ending in a consonant that follows a single vowel, you double the
consonant when adding –ed-er-est-ing. Remember this is only the case
ACCIÓN
when a single consonant follows a single vowel.
Taller
ON
UA
EV
AL
CI
CIRCLE THE CORRECT SPELLING OF EACH PAIR OF WORDS. JUSTIFY YOUR

3. International School
Cartagena
CLASE
Versión 00-12 Código FO-DC-01 Página 3 de 3
ANSWER
1. BELIEVE – BELIEVE
2. TRAVELLING – TRAVELING
3. WATCHFULL – WATCHFUL
4. DECIEVE – DECEIVE
5. UNDERTAKING – UNDERTAKEING
6. PLAYFULY – PLAYFULLY
7. COURAGOUS – COURAGEOUS
8. CONTROLLING – CONTROLLING
9. AMAZEING - AMAZING
Bibliografía
I. Study and learning center book - spelling
.