W.E.B. DuBois Learning Center

Mathematical Morphemes
Determination of Word Meanings (for fractions)

 

Word

Meaning

Part of Speech

Prefix:

com-

together, with

 
 

de-

to, from

 
 

in-

not

 
 

per-

by, through

 
       

Root:

cent

one hundred

noun

 

deci

one tenth

noun

 

fact

deed, that which is done

noun

 

fract

break

verb

 

nom

name

noun

 

numer

number, count

noun

 

pose

put, place

verb

 

prime

first, main, fundamental

noun

 

ratio

reason, fixed relation

noun

       

Suffix:

-age

that which relates to the state of

noun-forming

 

-al

of, like

adjective-forming

 

-ate

to become, to form

adjective-forming

 

-ator (ate + or)

one that does

noun-forming

 

-ion

result of, state

noun-forming

 

-ite

as, like, of

noun & adjective-forming

 

-or

person or thing

noun-forming

 

-teger

to touch

noun-forming

 

Exercises: Determine the meaning of the following words.

  1. composite (com + pos + ite)
  2. factor (fact + or)
  3. fraction (fract + ion)
  4. decimal (deci + m + al)
  5. denominator (de + nom + ator)
  6. integer (in + teger)
  7. numerator (numer + ator)
  8. percent (per + cent)
  9. percentage (per + cent + age)
  10. rational (ratio + n + al)