Change My Word

How to teach the most important prefixes to your students

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These combinations of color-coded prefix and base cards can be used in several activities to introduce students to making words and antonyms with prefixes. You can use these as a game or just a warm-up vocabulary activity before any class. Use the large spinner wheel to create an exciting contest where students can compete by matching words to prefixes as quickly as possible.


  1. 8 1/2 x 11 color-coded base word cards
  2. 8 1/2 x 11 matching color-coded prefix cards
  3. Word-builder activity sheets from the Prefix-Smart Workbook
  4. Large spinner wheel with color-coded prefixes

*** Please note that each of the large base cards has the matching prefix in the upper left-hand corner of the card. This will also tell you which color you should use when printing the card. I would suggest printing the cards on colored construction paper.

Use the color-coded chart, which is also reflected on the spinner wheel, to print the cards in the colors associated with each prefix.

Your Instructor

Brian Vieira
Brian Vieira

Mr. Vieira is the President of ScholarSkills Learning Center in N.Y and the Executive Director of Win With Reading. He has been a state-certified teacher, principal, and educational services provider in New York City for nearly thirty years. Mr. Vieira is a reading specialist who offers live and asynchronous courses that equip educators with evidence-based, multi-sensory tools, which help struggling students overcome reading difficulties and specific learning disorders. He is a graduate of Emory University, with an M.A. from Brooklyn College.

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