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Table of Contents
Letters or a group of letters attached at the beginning of a word are called prefixes. A prefix usually modifies or changes the meaning of a word.
See the fact file below for more information on Prefixes or alternatively, you can download our 32-page Prefixes worksheet pack to utilise within the classroom or home environment.
Key Facts & Information
- “Pre” is a latin word meaning ‘before’ and “fix” which means to “attach.”
- Prefixes have meanings but they are not considered as words.
- Root words are words which form the basis of a new word.
- By adding a prefix to a root word, a new word is created and usually its meaning is the opposite of the main word.
|Prefix||Meaning||Root word / Main word||Newly Formed Word|
- Knowing the meaning of prefixes can help in determining the definition of a new word formed.
Common Prefixes Used
- Listed in the table are some of the most common prefixes used.
|anti-||against, in opposition, opposite of||antisocial, anticlimax, antibiotic, antibacterial, antibody|
|co-||together, with, mutual||co-worker, co-pilot, co-manage, co-writer, co-owner|
|de-||remove, away from, separate from||demotivate, deform, defile, detour, defile|
|dis-||not, in opposition||disagree, disapprove, dislike, disconnect, disinfect|
|ex-||former, out of, from, out||ex-president, ex-girlfriend, ex-senator, ex-convict, ex-stepdad|
|il-, im-, in-, ir-||no, not, used to define a negative word||impossible, impatient, irregular, illegal, irresponsible|
|mis-||incorrect, mistaken, wrong||misinterpret, misunderstand, miscommunication, mistrust, misspell|
|pre-||before, prior to, in advance of||preheat, premade, preorder, preview, precook|
|re-||again, repeat||return, reunite, reheat, regain, replay|
|un-||not, no||undone, unfinished, untidy, unhappy, untie|
- Apart from where we usually use prefixes, they can also be used in different subjects such as in math and science.
Prefixes Used in Metric System
- Prefixes can be used in the metric system.
|giga||gigabyte, gigabit, gigahertz|
|mega||megapixel, megahertz, megabyte|
|centi-||centimeter, centigram, centiliter|
|kilo||kilometer, kilogram, kilobyte|
|milli||milliliter, milligram, millimeter|
|deci||decimeter, decigram, deciliter|
|nano||nanometer, nanogram, nanowatts|
|tera-||terabyte, terapixel, terameter|
|hecto||hectometer, hectoliter, hectogram|
|deca||decameter, decagram, decaliter|
Prefixes Used in Shapes
- Examples of prefixes when used in shapes are listed below.
|Prefix||Meaning||Root word / main word||New Word Formed|
|penta||five||gon (meaning “angles”)||pentagon|
|hexa||six||gon (meaning “angles”)||hexagon|
|hepta||hepta||gon (meaning “angles”)||heptagon|
|octa||eight||gon (meaning “angles”)||octagon|
|nona||nine||gon (meaning “angles”)||nonagon|
|deca||ten||gon (meaning “angles”)||decagon|
This is a fantastic bundle that includes everything you need to know about Prefixes across 30 in-depth pages. These are ready-to-use worksheets that are perfect for teaching students about Prefixes which usually modifies or changes the meaning of a word.
Complete List of Included Worksheets
- Prefixes Facts
- True or False
- Color It
- Fill in The Box
- What Does It Mean?
- Picture Prefix
- Prefixes in Sentences
- Check It Out
- What’s Missing?
- Search for Prefix
- Poem Making
- What Do You Think?
Link/cite this page
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Link will appear as Prefixes Worksheets, Examples & Definition: https://kidskonnect.com - KidsKonnect, February 8, 2018
Use With Any Curriculum
These worksheets have been specifically designed for use with any international curriculum. You can use these worksheets as-is, or edit them using Google Slides to make them more specific to your own student ability levels and curriculum standards.