Prefixes

  1. what are prefixes?

example

"re-" = "again"

"mis-" = "wrong & badly"

"super" = "emphasis or great"

a group of letter

attached

change

rebuild = to build again

mispell = to spell wrong

superstar = a great star

beginning of a word

the word's meaning

  1. what prefixes give an opposite meaning?

not

"un-"

"dis-"

"il-, im-, in-, ir-"

unsafe = not safe

disagree = to not agree

inconsiderate = not considerate

illegal = not legal

impossible = possible

irresponsible = not responsible

  1. how can prefixes help you understand what you read?

guess

break apart root word & prefix

"sub-" = "under / below"

sub-" + marine

sub + zero

sub + way

the meaning of new words

"under water"

"below zero"

"underground way"

  1. what are prefixes describe amount or number?

"cent" = "one hundred"

"milli-" = "one thousand

"bi-" = "two"

"tri-" = "three"

century = a hundred years

a thousand millimeters = a meter

bicycle = two wheels

tricycle = three wheels