Common Core Standards
Grade:
4th Grade
Standard:
CC.1.1.4.D
Description:
Know and apply grade-level phonics and word analysis skills in decoding words.
Use combined knowledge of all letter-sound correspondences,syllabication patterns, and morphology to read accurately unfamiliar multisyllabic words.
Standard:
4.2.A*
Description:
determine the meaning of grade-level academic English words derived from Latin, Greek, or other linguistic roots and affixes
Standard:
Literacy.RF.4.3a
Description:
Use combined knowledge of all letter-sound correspondences, syllabication patterns, and morphology (e.g., roots and affixes) to read accurately unfamiliar multisyllabic words in context and out of context.
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4th Grade Reading - Roots and Affixes Lesson
Roots & Affixes
Words are built from meaningful roots affixes
Roots
Affixes
Prefixes beginnings of words.
Suffixes ends of words.
misalignment noun ] the state or result of being incorrectly lined up
autobiography noun ] a self-written story of one's own life
Examples of Roots and Affixes
Prefix Meaning Example Words
mis- wrong, incorrectly
misspell, misjudge
sub- under
submarine, subtotal
dis- not, opposite of, apart, away
disappear, disinterested
anti- against
antivirus, antisocial
en- make, cause to be
enforce, envision
ex- out
export, exit
in- not
inactive, invisible
post- after
postdate, postscript
pre- before
prefix, pretest
un- no, not, opposite
unafraid, unlikely
under- below, lacking
underage, underground
re- again
redo, realign
Suffix Meaning Example Words
-ment result, state, quality, process, or action of
judgment, involvement
-ity, -ty
state or condition of
equality, royalty
-ist one who does something
violinist, artist
-en to do something
strengthen, fasten
-able
able to be or cause
flammable, teachable
-less
without, lacking
heartless, clueless
-ly
in what way
happily, safely
-ful
full of, having
beautiful, truthful
-ness
state, condition, or quality of
freshness, happiness
-y
having the quality of
lumpy, cloudy
Root Meaning Example Words
auto self
autograph, automatic
graph write, draw
graphic, photograph
meter measure
millimeter, metric
bio life
biology, biodiversity
com with, together
companion, compare
port carry
portable, import
rupt break, burst
disrupt, interrupt
terr land
territory, terrain
geo earth, ground, soil
geography, geode
❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ ❋ Go to the next page to practice working with roots and affixes
4th Grade Reading - Roots and Affixes Lesson