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)