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Tutorials Menu
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English: Grammar
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English: Phonics
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Math: Geometry
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Math: Algebra
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Commonly Used Prefixes |
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Prefix | Meaning | Example |
anti- | against | antibody, antifreeze |
bi- | two | bicycle, bilingual |
cent- | hundred | century, centimeter |
co- con- | with | correlate, copilot connect, continue |
de- | opposite | defrost, decline, deposit |
dis- | not or opposite of | disagree, disorder |
en- | within | enclose, encourage |
extra- | outside | extraterrestrial, extraneous |
in- im- non- | not | income, inland impossible, immobile nonstop, nonprofit |
inter- | between | intermediate, international |
mid- | middle | midday, midway |
mis- | wrongly | misunderstand, misplace |
out- | exceeds | outside, outstanding |
over- | over | overhead, overheat |
post- | after | postpone, postgraduate |
pre- | before | precook, pretest |
pro- | forward | proceed, produce |
re- | again | redo, replace |
semi- | half | semicircle, semiautomatic |
sub- | under or below | subway, submarine |
trans- | across | transmit, transport |
tri- | three | triplet, triangle |
un- | not | unrest, unfair |
uni- | one | universe, unicycle
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Page 3: Suffixes
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