I colour-code my Dolch sight words on my word wall. I use Dolch Sight Word Documentation Sheets to level my students. Instead of labelling their groups as the traditional Dolch names, I assign them to colour groupings.
These Dolch Pre-Primer words are on a purple background with a "knit" bubble-type white frame and black text.
** These cards could also be printed and laminated and used as flash cards or for sight words games such as "bang!".
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