TeachEngineering
Teach Engineering: Take Their Word for It!
Students learn how scientific terms are formed using Latin and Greek roots, prefixes and suffixes, and on that basis, learn to make an educated guess about the meaning of a word. Students are introduced to the role played by metaphor in...
Utah Education Network
Uen: It's Greek to Me!
This instructional activity engages students in vocabulary-building strategies related to Greek and Latin roots. Students will be given charts with Greek and Latin roots. Students will practice combining different roots to form...
AdLit
Ad lit.org: Root Words, Roots and Affixes
Familiarity with Greek and Latin roots, as well as prefixes and suffixes, can help students understand the meaning of new words. This article includes many of the most common examples.
Vocabulary University
My vocabulary.com: 14 Prefixes in Word Puzzles
This page offers links to 112 vocabulary words from these 14 prefix word game puzzles (eight words for each prefix). Select the prefix; links are: AB - AD - BE - COM - DE - DIS - EN - EX - IN - PRE - PRO - RE - SUB - UN. Then select the...
National Institute of Standards and Technology (NIST)
National Institute of Standards and Tech: Si Prefixes
The official prefixes adopted in the US, as stated by the National Institute of Standards and Technology. Yoctograms? Zeptosecond? Yes indeed.
ReadWriteThink
Read Write Think: Improve Comprehension: A Word Game Using Root Words and Affixes
Contains plans for three lessons that teach about root words, prefixes, and suffixes using handouts, websites, and games. In addition to objectives and standards, this instructional plan contains links to sites used in the lessons as...
![Wisconsin Rt I Center: Structural Analysis [Pdf] Professional Doc](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Wisconsin Rt I Center: Structural Analysis [Pdf] Professional Doc")
Wisconsin Response to Intervention Center
Wisconsin Rt I Center: Structural Analysis [Pdf]
Classroom teachers will learn about structural analysis of words, an important instructional strategy. Teachers will learn how to implement structural analysis, understand how to measure progress with structural analysis, find research...
Wisconsin Response to Intervention Center
Wisconsin Rt I Center: Semantic Maps for Morphological Analysis [Pdf]
Classroom teachers will learn about semantic maps to break words into meaningful word parts, an engaging instructional strategy tool. Teachers will learn how to implement semantic maps, understand how to measure progress with semantic...
Virtual Salt
Virtual Salt: Word Roots and Prefixes
At this website, there is a large chart that "Contains some of the common roots and prefixes that make up the building blocks of numerous English words." Columns for roots/prefixes, meanings, and examples are included.
Wisc-Online
Wisc Online: Practice With Prefixes #1
This interactive activity offers a practice for using the prefixes post-, pre-, dis-, in-, and un- that keeps track of score.
Utah Education Network
Uen: Spelling Words Correctly Using Prefixes
Fourth graders will learn about the prefix re- and how to apply this prefix to familiar words. After the direct instruction, 4th graders will show their understanding through thinking aloud and applying the knowledge to a new text.
Sophia Learning
Sophia: Metric Prefixes
This brief slide show introduces some common prefixes for units of metric measurement.
Read Works
Read Works: Vocabulary in Context 2nd Grade Unit: Prefixes
[Free Registration/Login Required] A lesson in which students learn to use the meanings of prefixes to help determine the meanings of unfamiliar words. Lesson includes directions for direct teaching, guided practice, and independent...
Education Development Center
Tune in to Learning: Prefixes Say Plenty
Test what you know about prefixes. Feedback is given when you answer questions correctly or incorrectly.
Get It Write
Get It Write: Regarding "Irregardless"
In addition to addressing the misuse of "irregardless" for "regardless," there's a lengthy discussion about the meaning of negative prefixes, as well as other prefixes that can be confusing. A great reference.
Vocabulary.com
Around and Around: Circum
This site contains a list of 10 words that contains "circum-" as a prefix in them. Teachers can digitally assign this list to their students to reinforce the spellings, pronunciations, and meanings of these words.
Vocabulary.com
It Takes Two: Bi
This site contains a list of 10 words that contain the bi- prefix. Teachers can digitally assign this list to their students to reinforce the spellings, pronunciations, and meanings of these words.
Vocabulary.com
Latin Root "Sub" Words
This site contains a list of 10 words that contain "sub", a prefix that means "under" or "below", in them. Teachers can digitally assign this list to their students to reinforce the spellings, pronunciations, and meanings of these words.
Sophia Learning
Sophia: Affixes 4
This slideshow lesson focuses on affixes. It defines the term; discusses prefixes including location, examples, and how they affect the root word; discusses suffixes including location, examples, and how they affect the part of speech;...
Better Lesson
Better Lesson: L.3.4b: Determine the Meaning When a Known Affix Is Added
Links to 5 lessons and activities that build student skills in standard L.3.4b: Determine the meaning of the new word formed when a known affix is added to a known word (e.g., agreeable/disagreeable, comfortable/uncomfortable,...
BBC
Bbc: Skillswise: What Is a Prefix?
BBC Skillswise offers a factsheet about prefixes for teachers and students.
Reading Rockets
Reading Rockets: Reading Topics a to Z: Root Words, Roots, and Affixes
An introduction to using word parts to improve vocabulary skills. Includes charts of common Greek and Latin roots as well as common prefixes and suffixes and their meanings. Each of the four charts can be downloaded.
![Florida Center for Reading Research: Morpheme Structures: Affix Sort [Pdf] Lesson Plan](https://content.lessonplanet.com/knovation/original/509144-c8b6486b2f824678416e9fd5331a8939.jpg?1661800039 "Florida Center for Reading Research: Morpheme Structures: Affix Sort [Pdf] Lesson Plan")
Florida Center for Reading Research
Florida Center for Reading Research: Morpheme Structures: Affix Sort [Pdf]
A lesson plan in which students sort words according to whether they have a prefix, a suffix, both, or neither. Materials are included.
BBC
Bbc: Skillswise: Spelling: Prefixes and Suffixes
This Skillswise site focuses on prefixes and suffixes. Included are a video about why learning about these additions to root words is important, fact sheets and worksheets for instruction. The Skillswise sites from BBC are geared to...